Legal due diligence helps the buyer determine what it is acquiring, from whom, on what authority, subject to which obligations and unresolved risks, and how material findings may affect structure, valuation, transaction documents, closing, or post-closing planning. Lowenstein Sandler describes a review tailored to the transaction's letter of intent and management presentation, while Morgan Lewis makes the related point in a CFIUS discussion that early threshold questions may matter more than perfect information.
The scope and depth of the review depend on the proposed transaction, the target's business and industry, the information available, materiality, timing, and the buyer's objectives. Lowenstein Sandler recommends tailoring the request list to the letter of intent and management presentation; Morgan Lewis gives a similarly contextual example in explaining that software used by the seller may not require an in-depth review when it is not material to the buyer's objectives.
This guide uses Delaware statutes for discrete illustrations. The governing law for the actual entity, assets, contracts, filings, and regulated activities may produce a different result. The related subject-specific guides address matters that require deeper treatment.
The companion OpenAgreements Due Diligence Request List lists documents and information commonly requested from a target. This guide addresses how the resulting records and findings may bear on the transaction.
How may the scope and materiality standard be set?
The scope and materiality standard may reflect the proposed transaction, the target and its industry, the buyer's objectives, the available information, timing, cost, and the issues most likely to affect the deal. Materiality is context-dependent and is not a self-defining numerical or deal-breaker threshold.
A focused red-flags review may prioritize issues with the greatest potential effect on value, structure, business continuity, liability allocation, or closing. A comprehensive review may cover more workstreams, documents, and lower-priority matters. The engagement scope can state which approach applies, any sampling or thresholds, the review date, and known exclusions.
Sources for this answer
Lawyer commentary · Law-firm commentary · 2020-02-25
A.1 Lowenstein Sandler — M&A due diligence: A primer on transactions involving private sellersPDFLowenstein Sandler recommends tailoring a private-company M&A diligence request list to information obtained from the letter of intent and management presentation.
Although most large law firms have standardized diligence request lists for proposed transactions — and even subsets of such lists for more specialized transactions (e.g., a diligence request list produced for an ad-tech company will likely differ from one produced for a government contractor), best practice is to tailor the request list based on the information gleaned from the LOI and management presentation, as well as any publicly available information about the seller.
See Matt Savare & Bryan Sterba, M&A due diligence: A primer on transactions involving private sellers, Lowenstein Sandler/Thomson Reuters (Feb. 25, 2020).
Lawyer commentary · Law-firm commentary · 2022-04-01
A.2 Morgan Lewis — Key Considerations for Intellectual Property Due Diligence in Mergers and AcquisitionsMorgan Lewis gives a context-dependent example in which an in-depth review of software used by the seller may be unnecessary.
For example, if the buyer is buying a brick-and-mortar operation with limited to no proprietary software (as opposed to a software company where the software is the primary product of the company), it may not be necessary to do an in-depth review of any software the seller uses.
See Morgan Lewis, Key Considerations for Intellectual Property Due Diligence in Mergers and Acquisitions (2022).
Lawyer commentary · Law-firm commentary · 2026-03-31
A.3 Morgan Lewis — Key Takeaways for Dealmakers Navigating CFIUS and International Trade IssuesMorgan Lewis describes threshold questions asked early enough to inform structuring and risk allocation as more important than perfect information in its CFIUS and international-trade diligence discussion.
The result is less about perfect information and more about asking the right threshold questions early enough in the diligence process to avoid surprises at the eleventh hour.
See Morgan Lewis, Key Takeaways for Dealmakers Navigating CFIUS and International Trade Issues (Mar. 31, 2026).
What should counsel define before broad document review?
Before broad document review, counsel can identify the proposed parties, transaction structure and scope, interests or assets expected to transfer, liabilities expected to be assumed or retained, financing and rollover parties, and the anticipated signing and closing sequence. The relevant corporate records depend on the entity and governing law; Delaware's corporate statute identifies the stock ledger, books of account, and minute books, while its LLC statute gives effect to the LLC agreement.
Describe the proposed transaction structure and scope
Before the first full virtual-data-room review, write a one-page working map that answers:
- Who are the legal actors? Record exact names, historical names, entity types, jurisdictions, organizational numbers, ownership relationships, and transaction roles, distinguishing the target from its parent, subsidiaries, affiliates, and sellers.
- What is expected to move? State whether the working structure is a transfer of equity, specified assets, a statutory merger, or a combination, and identify excluded assets, retained liabilities, rollover interests, and acquisition vehicles.
- What must happen between signing and closing? Identify financing, regulatory filings, third-party consents, payoff and lien releases, reorganizations, equity treatment, and any delayed or staged transfer.
- Which assumptions are still unconfirmed? Give each assumption an owner, requested evidence, date requested, status, and consequence if the evidence never arrives.
The map is allowed to change. A change should be explicit and versioned, because changing the scope or structure changes which consents, approvals, liabilities, and specialist analyses matter.
Review and reconcile the corporate records
Formation and governing documents, ownership records, approvals, and related transaction records can be reviewed together to identify inconsistencies.
| Matter to confirm | Records commonly considered | Reconciliation question |
|---|---|---|
| Identity and existence | Formation document and amendments; jurisdiction registry evidence; good-standing or status evidence where relevant | Do the legal name, entity type, jurisdiction, and status match the proposed seller, target, contracts, permits, tax records, and financing searches? |
| Governing authority | Charter or certificate; bylaws, LLC agreement, partnership agreement, shareholder agreement, voting agreement | Who must approve this structure, and do transfer restrictions, class rights, vetoes, or manager/director provisions change the path? |
| Ownership | Stock or membership ledger; cap table; certificates; subscription and transfer documents; option, warrant, convertible, profits-interest, and phantom-equity records | Can counsel trace every outstanding and potentially outstanding interest from valid authorization through issuance, transfer, cancellation, or exercise? |
| Subsidiary and asset scope | Organizational chart; subsidiary records; intercompany agreements; assumed names; key registrations and title evidence | Which entity actually owns each critical asset, employs each worker, holds each permit, and signs each key contract? |
| Corporate action | Board, manager, member, and stockholder records; delegations; incumbency evidence | Was each material issuance, transfer, borrowing, acquisition, disposition, and related-party arrangement authorized by the proper body? |
| Debt and liens | Credit agreements; notes; payoff correspondence; guaranties; security agreements; UCC and other lien searches under the legally relevant debtor names | Does the debt schedule reconcile to the records, and can every payoff, release, termination, and original instrument be delivered on time? |
The cap table is a calculation that can be reconciled to the operative governing instruments, transaction records, ledger, and approvals. For a Delaware corporation, the statute identifies functions the stock ledger must be capable of performing; for a Delaware LLC, the operative agreement may define governance and economic rights that a spreadsheet cannot show.
Classify a discrepancy before proposing a cure:
- Missing evidence: the act may have been valid, but the record is incomplete.
- Inconsistent evidence: two records cannot both describe the operative facts.
- Failure of authorization: an act occurred without a required approval or other authorization step.
- Substantive defect: the problem is not merely authorization and may not be curable by a procedural ratification mechanism.
Delaware's corporate ratification statute is a useful but narrow illustration. It provides that a defective corporate act or putative stock is not void or voidable solely for failure of authorization if ratified under § 204 or validated under § 205. It is not a universal cure and does not establish that every discrepancy is only a failure of authorization. Delaware LLCs have a separate ratification and waiver provision in § 18-106(e), with its own conditions and Court of Chancery review.
An unexplained cap-table or authority discrepancy may reflect missing evidence, conflicting evidence, or a legal defect. Depending on the cause and significance, possible responses include a cure, a closing condition, an economic remedy, or express acceptance of the risk. A Delaware § 204 analysis is available only for the statute's defined class of corporate authorization failures .
Sources for this answer
Lawyer commentary · Law-firm commentary · 2020-02-25
B.1 Lowenstein Sandler — M&A due diligence: A primer on transactions involving private sellersPDFLowenstein Sandler recommends tailoring a private-company M&A diligence request list to information obtained from the letter of intent and management presentation.
Although most large law firms have standardized diligence request lists for proposed transactions — and even subsets of such lists for more specialized transactions (e.g., a diligence request list produced for an ad-tech company will likely differ from one produced for a government contractor), best practice is to tailor the request list based on the information gleaned from the LOI and management presentation, as well as any publicly available information about the seller.
See Matt Savare & Bryan Sterba, M&A due diligence: A primer on transactions involving private sellers, Lowenstein Sandler/Thomson Reuters (Feb. 25, 2020).
Lawyer commentary · Law-firm commentary · 2026-03-31
B.2 Morgan Lewis — Key Takeaways for Dealmakers Navigating CFIUS and International Trade IssuesMorgan Lewis describes threshold questions asked early enough to inform structuring and risk allocation as more important than perfect information in its CFIUS and international-trade diligence discussion.
The result is less about perfect information and more about asking the right threshold questions early enough in the diligence process to avoid surprises at the eleventh hour.
See Morgan Lewis, Key Takeaways for Dealmakers Navigating CFIUS and International Trade Issues (Mar. 31, 2026).
Lawyer commentary · Law-firm commentary · 2022-04-01
B.7 Morgan Lewis — Key Considerations for Intellectual Property Due Diligence in Mergers and AcquisitionsMorgan Lewis gives a context-dependent example in which an in-depth review of software used by the seller may be unnecessary.
For example, if the buyer is buying a brick-and-mortar operation with limited to no proprietary software (as opposed to a software company where the software is the primary product of the company), it may not be necessary to do an in-depth review of any software the seller uses.
See Morgan Lewis, Key Considerations for Intellectual Property Due Diligence in Mergers and Acquisitions (2022).
Primary source · Primary law
B.3 Delaware General Corporation Law — corporate records and stock-ledger functionsThe Delaware corporate-records statute identifies the stock ledger, books of account, and minute books and specifies functions the stock ledger must support.
Any records administered by or on behalf of the corporation in the regular course of its business, including its stock ledger, books of account, and minute books, may be kept on, or by means of, or be in the form of, any information storage device, method, or 1 or more electronic networks or databases (including 1 or more distributed electronic networks or databases), provided that the records so kept can be converted into clearly legible paper form within a reasonable time, and, with respect to the stock ledger, that the records so kept (i) can be used to prepare the list of stockholders specified in §§ 219 and 220 of this title, (ii) record the information specified in §§ 156, 159, 217(a) and 218 of this title, and (iii) record transfers of stock as governed by Article 8 of subtitle I of Title 6.
See 8 Del. C. § 224.
Primary source · Primary law
B.4 Delaware Limited Liability Company Act — policy of freedom of contractFor a Delaware LLC, the LLC agreement is central because the statute gives maximum effect to freedom of contract and enforceability of LLC agreements.
It is the policy of this chapter to give the maximum effect to the principle of freedom of contract and to the enforceability of limited liability company agreements.
See 6 Del. C. § 18-1101(b).
Primary source · Primary law
B.5 Delaware General Corporation Law — ratification of defective corporate actsDelaware provides a statutory cure for a defective corporate act or putative stock that is void or voidable solely because of a failure of authorization, subject to § 204's procedures or Court of Chancery validation under § 205.
Subject to subsection (f) of this section, no defective corporate act or putative stock shall be void or voidable solely as a result of a failure of authorization if ratified as provided in this section or validated by the Court of Chancery in a proceeding brought under § 205 of this title.
See 8 Del. C. § 204(a).
Primary source · Primary law
B.6 Delaware Limited Liability Company Act — ratification and waiverThe Delaware LLC Act separately permits ratification of, or waiver of a failure to comply with the LLC agreement for, certain void or voidable acts and permits Court of Chancery review.
Any act or transaction ratified, or with respect to which the failure to comply with any requirements of the limited liability company agreement is waived, pursuant to this subsection shall be deemed validly taken at the time of such act or transaction.
See 6 Del. C. § 18-106(e).
How may transaction structure affect what transfers and which liabilities remain?
Transaction structure may affect which interests, assets, contracts, and liabilities transfer, which approvals are required, and how the parties implement the closing. The result depends on the governing law and transaction documents: Delaware law, for example, addresses the effect of a merger and approval of certain asset sales, while Article 9 may preserve a security interest after collateral is transferred.
The following questions help distinguish how different transaction structures may operate:
| Working structure | Principal review question | Issue to consider |
|---|---|---|
| Equity purchase | Are the exact interests validly issued, owned by the sellers, transferable, and sufficient to deliver the negotiated control and economics? | The entity stays party to its obligations, but counsel reviews only assignment clauses and misses a change-of-control, ownership, affiliate, key-person, or termination trigger. |
| Asset purchase | Does the schedule identify every necessary asset, contract, permit, employee arrangement, record, and assumed liability, and is each capable of transfer on the required timetable? | The agreement says all assets while title, consent, registration, lien, or nontransferability rules prevent a critical asset from moving. |
| Statutory merger | What does the governing merger statute vest in or attach to the survivor, and what separate contract, permit, filing, or regulatory terms are triggered? | The team assumes statutory succession ends the inquiry and does not test contractual anti-assignment or change-of-control language. |
| Pre-closing reorganization or mixed structure | Which step changes ownership, obligors, assets, employees, tax posture, or consents, and is each step separately authorized and conditioned? | A late structure change invalidates earlier diligence assumptions and leaves the disclosure schedules or specialist analysis tied to the old scope. |
Review authority, business continuity, liabilities, and liens
Authority review. For each entity and transaction step, identify the board, manager, member, stockholder, lender, or other approval and the governing instrument that requires it. Delaware § 271 illustrates the point for a Delaware corporation selling all or substantially all of its property and assets; it does not supply the answer for every asset transfer or every entity type .
Contract and business-continuity review. Material agreements may address assignment and change of control differently. The review can record the exact clause, affected entity, required act, timing, and available response.
Liability and lien review. Reconcile contractual allocation with rules that bind assets or parties notwithstanding the acquisition agreement. Under Delaware's UCC enactment, for example, a security interest generally continues in collateral after a disposition unless the secured party authorized a disposition free of it. That is why a promise to deliver assets free and clear must be implemented through payoff, authorization, release, termination, and search evidence—not inferred from the asset-purchase label .
Maintain one integrated structure and consent table:
| Item | Legal owner or party | Equity-sale trigger | Asset-transfer trigger | Merger trigger | Required action | Owner and deadline | Alternative if unavailable | Closing evidence |
|---|
The transaction label does not determine every clause-level or asset-level result. A merger statute may vest assets and attach liabilities to a survivor; a contract may separately define a merger or indirect ownership change as a trigger; and a lien may continue in disposed collateral. Each mechanism can be considered separately when assessing the possible transaction effect.
Sources for this answer
Lawyer commentary · Commentary · 2026-07-31
C.1 Thomson Reuters — Step-by-step guide to M&A legal due diligenceThomson Reuters explains that a stock acquisition generally does not trigger an anti-assignment clause because the target remains the contracting party.
That’s why a stock acquisition generally does not trigger an anti-assignment clause.
See Chris O’Leary, Step-by-step guide to M&A legal due diligence, Thomson Reuters (July 31, 2026).
Primary source · Primary law
C.2 Delaware General Corporation Law — effect of a mergerIn a Delaware corporate merger, creditor rights and liens are preserved and the constituent corporations' debts, liabilities, and duties attach to the survivor; the merger label therefore does not erase them.
but all rights of creditors and all liens upon any property of any of said constituent corporations shall be preserved unimpaired, and all debts, liabilities and duties of the respective constituent corporations shall thenceforth attach to said surviving or resulting corporation, and may be enforced against it to the same extent as if said debts, liabilities and duties had been incurred or contracted by it.
See 8 Del. C. § 259(a).
Primary source · Primary law
C.3 Delaware General Corporation Law — sale of all or substantially all assetsDelaware corporate law governs a corporation's sale, lease, or exchange of all or substantially all of its property and assets and identifies the applicable board and stockholder approval requirements.
Every corporation may at any meeting of its board of directors or governing body sell, lease or exchange all or substantially all of its property and assets, including its goodwill and its corporate franchises, upon such terms and conditions and for such consideration, which may consist in whole or in part of money or other property, including shares of stock in, and/or other securities of, any other corporation or corporations, as its board of directors or governing body deems expedient and for the best interests of the corporation, when and as authorized by a resolution adopted by the holders of a majority of the outstanding stock of the corporation entitled to vote thereon or, if the corporation is a nonstock corporation, by a majority of the members having the right to vote for the election of the members of the governing body and any other members entitled to vote thereon under the certificate of incorporation or the bylaws of such corporation, at a meeting duly called upon at least 20 days’ notice.
See 8 Del. C. § 271(a).
Primary source · Primary law
C.4 Delaware Uniform Commercial Code — continuation of a security interest after dispositionAs an illustrative UCC rule, a security interest generally continues in collateral after disposition unless the secured party authorized a disposition free of it.
Except as otherwise provided in this Article and in Section 2-403(2): (1) a security interest or agricultural lien continues in collateral notwithstanding sale, lease, license, exchange, or other disposition thereof unless the secured party authorized the disposition free of the security interest or agricultural lien; and (2) a security interest attaches to any identifiable proceeds of collateral.
See 6 Del. C. § 9-315(a)(1).
How may diligence findings affect transaction terms?
A material finding may affect valuation, structure, representations, covenants, indemnification, escrow, insurance, a closing condition, remediation, or post-closing planning, depending on the governing rule, the transaction, and the parties' negotiated allocation of risk. For example, because a security interest may continue in transferred collateral, a lien finding may require attention to the correct debtor, collateral, filing, payoff, release instrument, and closing evidence.
An issues list can separate the available facts, the governing rule or contract provision, the possible transaction effect, the proposed response, and responsibility for follow-up:
| Field | Required content |
|---|---|
| Verified fact | A neutral statement tied to a document, registry result, signed management confirmation, or stated evidence gap |
| Rule or mechanism | The exact statute, regulation, governing-document provision, contract clause, title record, filing, or specialist conclusion that makes the fact consequential |
| Deal impact | scope, ownership, authority, value, continuity, liability, timing, financing, or closing impact—without a severity label standing in for analysis |
| Proposed response | Cure before signing; structure or price change; representation or disclosure; covenant; consent; closing condition; special indemnity or escrow; insurance treatment; post-closing plan; or accepted risk |
| Responsibility, timing, status, and supporting evidence | Decision owner, responsible workstream, deadline, dependency, status, and objective completion evidence |
The response should match the mechanism:
- Fix before signing when the buyer cannot price or document the bargain until ownership, authority, or scope is known.
- Change structure or economics when risk cannot be cured on the timetable but can be excluded, retained, priced, escrowed, or otherwise allocated.
- Use a closing condition or deliverable when objective evidence can be produced between signing and closing, such as a consent, payoff letter, lien termination, certificate, or governing-body approval.
- Use a representation and disclosure to establish a negotiated factual risk allocation, not as a substitute for a known cure or missing critical evidence.
- Use a covenant or post-closing plan only when delayed performance is legally possible, operationally tolerable, and owned by a team that can execute it.
- Escalate or stop when the buyer cannot obtain the asset, control, authority, financing, regulatory path, or liability allocation on which the investment case depends.
Severity follows from transaction effect. A missing amendment to a replaceable vendor contract may be less important than an apparently small ownership discrepancy that prevents the sellers from delivering the equity. A red-yellow-green scale is more informative when paired with the materiality reason and required action.
A conclusory issue label may obscure the contract clause, filing result, or management statement on which it rests. For a lien, the supporting record may identify the debtor name, filing jurisdiction, secured party, collateral, underlying obligation, proposed payoff and release, and closing evidence .
Sources for this answer
Lawyer commentary · Law-firm commentary
D.1 Whiteford Taylor Preston — Mergers & AcquisitionsWhiteford Taylor Preston describes environmental M&A work as quantifying cost, timing, and permitting risk and considering indemnities, covenants, insurance, and risk transfer.
Environmental Our environmental practice embeds into deals to run targeted M&A due diligence, quantify environmental risk (cost, timing, permitting) and structure solutions such as indemnities, covenants, insurance and risk transfer—often coordinating the transfer, assignment or modification of operating permits as part of the closing process.
See Whiteford Taylor Preston, Mergers & Acquisitions (accessed Sept. 3, 2026).
Lawyer commentary · Law-firm commentary · 2025-03-31
D.2 Weil — Private Equity Sponsor Sync Q1 2025PDFWeil's deal survey describes seller indemnification for a specific issue as usually addressing something identified in buyer diligence.
Notably, such seller indemnities were not limited to standalone indemnities (i.e., seller indemnification for a specific issue, usually something identified by buyer in diligence).
See Weil, Private Equity Sponsor Sync — Q1 2025 (Q1 2025).
Primary source · Primary law
D.3 Delaware Uniform Commercial Code — continuation of a security interest after dispositionA security interest generally continues in collateral after a disposition unless the secured party authorized the disposition free of the security interest.
Except as otherwise provided in this Article and in Section 2-403(2): (1) a security interest or agricultural lien continues in collateral notwithstanding sale, lease, license, exchange, or other disposition thereof unless the secured party authorized the disposition free of the security interest or agricultural lien; and (2) a security interest attaches to any identifiable proceeds of collateral.
See 6 Del. C. § 9-315(a)(1).
When may specialist review be appropriate?
Specialist review may be appropriate when a material finding turns on law or technical judgment outside the core deal team's scope, including IP ownership, government contracts, workforce changes, environmental liability, regulated data, antitrust, or tax. Federal law supplies transaction-specific rules in each of these areas, and those rules may affect structure, approvals, liability, or closing arrangements.
Contracts, assets, and sites: continuity of revenue, supply, assets, and sites
| Practice area | Facts that may warrant specialist review | Question for the transaction team |
|---|---|---|
| Material contracts, change of control, customers, and vendors | Customer or supplier concentration; critical or hard-to-replace arrangements; oral or missing terms; anti-assignment, merger, indirect-control, exclusivity, most-favored-nation, minimum-purchase, termination, key-person, rebate, uncapped-liability, or unusual renewal terms | Will the relationship continue on the proposed structure and timetable, what action is required, and what is the operational and contractual alternative? |
| Intellectual property | Value depends on software, patents, proprietary data, brands, domains, content, licensed technology, open-source components, founder or contractor-created work, or unrecorded transfers | Does the correct target entity own or control the rights the investment case requires, can they move or continue, and what assignments, consents, releases, or recordations are needed? |
| Government contracts | A federal, state, local, prime, subcontract, grant, set-aside, security-clearance, or cost-accounting relationship is material | Is successor recognition, novation, notice, recertification, consent, mitigation, or a structure change required, and can performance continue during the transition? |
| Real estate | A site is operationally critical; the target owns real property; a lease has assignment or change-of-control language; title, zoning, access, use, casualty, condemnation, or restoration matters | Can the buyer use each required site after closing, what consent or title work is required, and how do real-estate and environmental risks affect structure and closing? |
For patents, federal law requires an assignment to be in writing. That rule does not decide copyright, trademark, trade-secret, data, license, or employment-invention issues, each of which may require a separate chain-of-title analysis .
For federal contracts, FAR 42.1204 distinguishes a stock purchase with no change in the contracting party from transfers that may require successor recognition. The analysis may require more than a generic consent entry .
Employees and benefits: people, incentives, and integration
| Practice area | Facts that may warrant specialist review | Question for the transaction team |
|---|---|---|
| Labor and employment | Collective bargaining; worker-classification exposure; wage-and-hour issues; leave or accommodation claims; restrictive covenants; immigration; multi-state workforce; planned reductions; facility closing; works council or foreign employees | Which obligations continue or transfer, which actions require notice, consultation, consent, or remediation, and what must be reflected in covenants, conditions, and the integration plan? |
| Executive compensation and benefits | Change-in-control, severance, retention, bonus, rollover, option, phantom-equity, deferred-compensation, qualified-plan, multiemployer-plan, or benefits-transition issues | What becomes payable, accelerates, terminates, continues, or requires approval; what tax and fiduciary analysis is needed; and which amounts or actions belong in funds flow and closing documents? |
The WARN Act assigns notice responsibility around a sale in a specific way. A workforce-reduction or facility plan may therefore require review of the actual employer, employee counts, timing, exceptions, state mini-WARN laws, and integration sequence .
Section 280G makes change-contingent compensation a tax-screening issue when the statutory conditions are met. The rule has definitions, thresholds, and exceptions; the core team should identify potentially contingent payments and affected individuals, then route the calculation and any approval process rather than declare an amount deductible or nondeductible .
Environmental and regulated operations: legacy liability and regulated operations
| Practice area | Facts that may warrant specialist review | Question for the transaction team |
|---|---|---|
| Environmental | Manufacturing, chemicals, waste, tanks, emissions, discharges, contaminated sites, owned or long-term leased property, environmental permits, enforcement, or historical operations | What liability can attach notwithstanding private allocation, what investigation and defenses are available, and what structure, covenant, indemnity, insurance, consent, or closing condition is appropriate? |
| Healthcare, privacy, and regulatory operations | Healthcare licenses or reimbursement; patient, consumer, biometric, financial, children's, or employee data; a regulated product or service; material permits; investigations; exclusion or sanctions exposure | May the buyer review and receive the data and regulated assets, will licenses and enrollments continue or transfer, and what notice, consent, filing, segregation, remediation, or transition controls are required? |
CERCLA illustrates the limit of private allocation. Section 107(e)(1) prevents an agreement from transferring away the statutory liability imposed on an owner, operator, or other liable person, while preserving agreements to insure, hold harmless, or indemnify between parties. An environmental indemnity can allocate economic responsibility without eliminating the underlying statutory exposure .
HIPAA's definition of health care operations includes due diligence associated with specified sales, transfers, mergers, or consolidations involving covered entities. That provision is a routing trigger, not blanket permission to place all protected health information in a data room; the specialist must determine whether the parties and activity fit the rule and what other use, disclosure, safeguard, minimum-necessary, and agreement requirements apply .
Antitrust and tax: external constraints that can change the structure
| Practice area | Facts that may warrant specialist review | Question for the transaction team |
|---|---|---|
| Antitrust and transaction clearance | Competitor, supplier, customer, labor-market, roll-up, minority-rights, information-sharing, restrictive-covenant, or concentrated-local-market overlap; a filing or foreign-investment question | Is a filing, waiting period, clean-team protocol, substantive risk response, covenant, outside date, divestiture allocation, or structure change required? |
| Tax structure and acquisition diligence | Relevant to transaction structure, with priority when choosing equity, assets, merger, rollover, seller note, earnout, management equity, pre-closing reorganization, elections, or purchase-price allocation | What legal and economic tax treatment follows for each party and step, what elections or allocations are available, and what must be negotiated or completed before the structure becomes difficult to change? |
Antitrust is not limited to reportable transactions. Clayton Act § 7 states a substantive acquisition prohibition based on whether the effect may substantially lessen competition or tend to create a monopoly. Counsel should separately screen substantive risk and reportability under current thresholds and exemptions .
Tax considerations may affect structure, price allocation, rollover arrangements, elections, and drafting before signing. Section 338 illustrates that a qualifying stock purchase can receive deemed asset-sale and new-corporation treatment if the statutory election applies. Section 1060 separately governs allocation in an applicable asset acquisition and can make a written allocation binding on both parties unless the Secretary determines it is inappropriate.
A specialist request can identify the relevant trigger, governing entities and structure, available and missing evidence, deadline, and the transaction term or closing step the answer may affect. The resulting advice can then be reflected in the integrated issues list and deal tracker.
Sources for this answer
Lawyer commentary · Law-firm commentary
E.1 Morgan Lewis — Mergers & AcquisitionsMorgan Lewis identifies multiple legal disciplines that may participate in M&A matters.
The group is supported by approximately 1,700 lawyers and professionals in areas such as labor and employment, benefits, government contracts, regulatory, environmental, intellectual property, international trade, real estate, antitrust, litigation and tax.
See Morgan Lewis, Mergers & Acquisitions (accessed Sept. 3, 2026).
Primary source · Primary law
E.2 Patent Act — assignment and recordationPatent applications, patents, and interests in them are assignable by a written instrument.
Applications for patent, patents, or any interest therein, shall be assignable in law by an instrument in writing.
See 35 U.S.C. § 261.
Primary source · Regulation
E.3 Federal Acquisition Regulation — applicability of novation agreementsA federal-contract novation is unnecessary for a stock purchase with no legal change in the contracting party and continued control and performance.
A novation agreement is unnecessary when there is a change in the ownership of a contractor as a result of a stock purchase, with no legal change in the contracting party, and when that contracting party remains in control of the assets and is the party performing the contract.
See 48 C.F.R. § 42.1204(b).
Primary source · Primary law
E.4 Worker Adjustment and Retraining Notification Act — sale-of-business ruleFor WARN purposes, the seller has notice responsibility through the sale's effective date and the purchaser has it afterward.
In the case of a sale of part or all of an employer’s business, the seller shall be responsible for providing notice for any plant closing or mass layoff in accordance with section 2102 of this title, up to and including the effective date of the sale. After the effective date of the sale of part or all of an employer’s business, the purchaser shall be responsible for providing notice for any plant closing or mass layoff in accordance with section 2102 of this title.
See 29 U.S.C. § 2101(b)(1).
Primary source · Primary law
E.9 Internal Revenue Code — excess parachute paymentsSection 280G disallows a deduction for an excess parachute payment.
No deduction shall be allowed under this chapter for any excess parachute payment.
See 26 U.S.C. § 280G(a).
Primary source · Primary law
E.5 CERCLA — effect of indemnification and hold-harmless agreementsA private agreement cannot transfer away CERCLA liability imposed on a liable person, but parties may agree to insure, hold harmless, or indemnify one another for that liability.
No indemnification, hold harmless, or similar agreement or conveyance shall be effective to transfer from the owner or operator of any vessel or facility or from any person who may be liable for a release or threat of release under this section, to any other person the liability imposed under this section. Nothing in this subsection shall bar any agreement to insure, hold harmless, or indemnify a party to such agreement for any liability under this section.
See 42 U.S.C. § 9607(e)(1).
Primary source · Regulation
E.6 HIPAA Privacy Rule — transaction due diligence within health care operationsThe HIPAA definition of health care operations includes due diligence related to specified transactions involving covered entities.
The sale, transfer, merger, or consolidation of all or part of the covered entity with another covered entity, or an entity that following such activity will become a covered entity and due diligence related to such activity; and ( v ) Consistent with the applicable requirements of § 164.514 , creating de-identified health information or a limited data set, and fundraising for the benefit of the covered entity.
See 45 C.F.R. § 164.501 (definition of ‘health care operations’).
Primary source · Primary law
E.7 Clayton Act — substantive acquisition standardClayton Act § 7 reaches stock and asset acquisitions whose effect may substantially lessen competition or tend to create a monopoly.
No person engaged in commerce or in any activity affecting commerce shall acquire, directly or indirectly, the whole or any part of the stock or other share capital and no person subject to the jurisdiction of the Federal Trade Commission shall acquire the whole or any part of the assets of another person engaged also in commerce or in any activity affecting commerce, where in any line of commerce or in any activity affecting commerce in any section of the country, the effect of such acquisition may be substantially to lessen competition, or to tend to create a monopoly.
See 15 U.S.C. § 18.
Primary source · Primary law
E.8 Internal Revenue Code — effect of a § 338 electionWhen a qualifying stock purchase and § 338 election meet the statute, the target is treated as selling its assets and as a new corporation purchasing them.
For purposes of this subtitle, if a purchasing corporation makes an election under this section (or is treated under subsection (e) as having made such an election), then, in the case of any qualified stock purchase, the target corporation— (1) shall be treated as having sold all of its assets at the close of the acquisition date at fair market value in a single transaction, and (2) shall be treated as a new corporation which purchased all of the assets referred to in paragraph (1) as of the beginning of the day after the acquisition date.
See 26 U.S.C. § 338(a)(1).
Primary source · Primary law
E.10 Internal Revenue Code — allocation in applicable asset acquisitionsSection 1060 governs consideration allocation in an applicable asset acquisition and generally binds both parties to an agreed written allocation unless the Secretary determines it is inappropriate.
If in connection with an applicable asset acquisition, the transferee and transferor agree in writing as to the allocation of any consideration, or as to the fair market value of any of the assets, such agreement shall be binding on both the transferee and transferor unless the Secretary determines that such allocation (or fair market value) is not appropriate.
See 26 U.S.C. § 1060(a).
What may a red-flags report contain?
A red-flags report may identify the scope and limits of the review, the material findings, the supporting records, unresolved questions, and possible effects on the proposed transaction. For a Delaware corporation, the underlying records may include the stock ledger, books of account, and minute books; a summary spreadsheet does not replace the statutory records it summarizes.
A layered report can let a decision-maker stop at the appropriate level without losing the supporting record:
- Transaction map and scope. Parties, structure, scope, financing, sign-and-close sequence, materiality framework, reviewed repositories, cut-off date, and named exclusions.
- Material issues and possible responses. Each issue requiring a structure, value, drafting, timing, or go/no-go decision; the recommended response; alternatives; owner; and decision deadline.
- Corporate records and transaction structure. Entity tree, capitalization and ownership reconciliation, authority, historical defects and cures, asset and contract ownership, debt, liens, and required approvals.
- Integrated specialist findings. Organized by transaction effect—continuity, people, legacy liability, regulatory path, and external structure—not by who wrote the memo.
- Signing and closing schedules. Consent matrix, payoff and release schedule, regulatory and specialist tracker, signing deliverables, closing conditions, funds-flow dependencies, and post-closing actions.
- Evidence gaps and limitations. Requested-but-not-produced items, inconsistent records, management-only assertions, inaccessible systems, sampling, date limits, unresolved specialist questions, and the exact conclusion each gap prevents.
- Source and document references. Stable finding ID; source document or official authority; location or clause; version and date; reviewer; verification status; and links to the resulting draft provision or closing item.
Facts, inferences, and recommendations can be stated separately. A contract's text is a fact. Whether a clause is triggered by the proposed structure is a legal conclusion. Whether to obtain consent, restructure, accept the risk, or decline the transaction is a transaction recommendation. Separating them makes later review and updates easier.
State negative conclusions with their evidence boundary. No responsive litigation materials were produced as of the cut-off date is different from the target has no litigation. A management representation should be identified as such until corroborated. An unresolved gap should say what decision it blocks and when silence becomes a closing or economic issue.
A missing document can be reported as a gap rather than as no issue identified. The report can state what was requested, what was searched or produced, who confirmed the status, which conclusion remains unavailable, and the possible contractual or closing response.
Sources for this answer
Lawyer commentary · Law-firm commentary · 2020-02-25
F.1 Lowenstein Sandler — M&A due diligence: A primer on transactions involving private sellersPDFThe Lowenstein Sandler article discusses due diligence memoranda as a form of diligence reporting.
Often, as legal advisers on a buyer’s deal team comb over the documents produced in a data room, responses from diligence calls, and any follow-up communications they have had with the seller’s legal advisers, the buyer will prepare a legal due diligence memorandum.
See Matt Savare & Bryan Sterba, M&A due diligence: A primer on transactions involving private sellers, Lowenstein Sandler/Thomson Reuters (Feb. 25, 2020).
Lawyer commentary · Law-firm commentary · 2023-09-01
F.2 Morgan Lewis — A ‘Friendly’ Guide to Private Equity Acquisitions of Physician PracticesPDFMorgan Lewis describes material diligence issues as matters that could affect price or require special indemnities or escrows.
These reports are incredibly useful to the Buyer for a number of reasons: (i) they can help inform certain corrective actions and changes to be made post-closing; (ii) if there are certain material issues identified, they could impact purchase price or create the need for special indemnities or escrows under the transaction documents; (iii) in the event that the Buyer is obtaining third-party debt financing to fund the acquisition, its lender will want to review the reports; and (iv) as discussed elsewhere in this article, any insurer underwriting a representation and warranty insurance (“R&W Insurance”) policy will require review of all diligence reports to complete its underwriting and bind the policy.
See Morgan Lewis, A ‘Friendly’ Guide to Private Equity Acquisitions of Physician Practices, Thomson Reuters Health Law Handbook (Sept. 2023).
Primary source · Primary law
F.3 Delaware General Corporation Law — corporate recordsThe Delaware statute identifies the stock ledger, books of account, and minute books as corporate records and specifies functions the stock ledger must support.
Any records administered by or on behalf of the corporation in the regular course of its business, including its stock ledger, books of account, and minute books, may be kept on, or by means of, or be in the form of, any information storage device, method, or 1 or more electronic networks or databases (including 1 or more distributed electronic networks or databases), provided that the records so kept can be converted into clearly legible paper form within a reasonable time, and, with respect to the stock ledger, that the records so kept (i) can be used to prepare the list of stockholders specified in §§ 219 and 220 of this title, (ii) record the information specified in §§ 156, 159, 217(a) and 218 of this title, and (iii) record transfers of stock as governed by Article 8 of subtitle I of Title 6.
See 8 Del. C. § 224.
How may diligence findings affect signing, closing, and post-closing work?
Diligence findings may affect the terms agreed at signing, the conditions and deliverables required at closing, and the matters assigned for post-closing follow-up. Delaware's approval rule for certain asset sales and its lien-continuation rule illustrate why authority and lien-release evidence may matter to closing.
Signing considerations
- The party, subsidiary, asset, equity, excluded-asset, assumed-liability, and retained-liability scope is written and reconciled to the available evidence.
- The structure has been tested against governing entity law, key contracts, permits and regulatory regimes, liens, financing, labor and benefits, tax, and antitrust.
- Ownership and authority discrepancies are cured, expressly conditioned, economically addressed, or elevated as unresolved deal decisions.
- Known findings are reflected in price, structure, representations, disclosure schedules, covenants, indemnities, escrow or holdback, insurance treatment, conditions, and termination rights as appropriate.
- Each remaining diligence gap has an owner, deadline, consequence, and proposed agreement treatment.
- Tax counsel has approved the intended structure and negotiated tax provisions; antitrust or other regulatory counsel has identified filings, waiting periods, information controls, covenants, and outside-date implications.
Closing conditions and deliverables
- Buyer, seller, target, and relevant subsidiary approvals match the final documents and transaction steps.
- Required third-party consents, waivers, notices, estoppels, or alternative arrangements are complete and tied to the correct contracts and structure.
- Payoff letters, releases, UCC termination authorizations, control releases, mortgage or title releases, and other lien evidence cover the correct debtors, secured parties, collateral, and jurisdictions.
- Required regulatory clearances, waiting-period expirations, permits, government-contract steps, and financing conditions are evidenced.
- Equity cancellations, option and award treatment, rollover, funds flow, seller allocation, and capitalization at closing reconcile.
- Bring-down, no-injunction, material-condition, and other negotiated closing conditions are tested against current facts rather than copied from the agreement.
For a material federal contract, the closing tracker can reflect the applicable FAR path. A stock purchase with the same contracting party may not require novation under FAR 42.1204(b), but the regulation also recognizes that ownership issues in either a stock or asset purchase may warrant a formal agreement with the Government. An agency-facing plan provides more information than closing the item solely because the contract is marked not assigned .
Post-closing follow-up
- Update ownership ledgers, registers, minute books, incumbency, bank and system authority, assumed names, and foreign qualifications.
- Complete permitted delayed assignments, IP recordations, title changes, permit transitions, government-contract follow-up, and any required public filings.
- Execute transition-services, employee onboarding, payroll and benefit changes, data-access changes, records retention, compliance remediation, and integration controls.
- Track purchase-price adjustments, escrows, earnouts, indemnity notices, tax elections and allocation filings, covenant deadlines, and survival periods.
- Preserve final closing evidence against the finding and condition it resolved; a report of completion alone does not establish that the closing step occurred.
An item suited to post-closing follow-up differs from a condition the buyer requires at closing. The assessment may consider whether the asset, relationship, authorization, regulatory status, and financing can support the delay, together with any interim operating plan, remedy, owner, and outside date.
Sources for this answer
Lawyer commentary · Law-firm commentary · 2016-05-01
G.1 Ropes & Gray — Key Data Privacy and Security Concerns for Investment FirmsRopes & Gray recommends developing post-closing remediation plans before signing for identified privacy and security concerns.
Prior to signing, investment firms should also develop post-closing remediation plans and evaluate how such plans impact the valuation model for the investment.
See Ropes & Gray, Key Data Privacy and Security Concerns for Investment Firms (May 2016).
Primary source · Primary law
G.2 Delaware General Corporation Law — sale of all or substantially all assetsA Delaware corporation's sale of all or substantially all assets is subject to the statutory authorization requirements stated in § 271(a).
Every corporation may at any meeting of its board of directors or governing body sell, lease or exchange all or substantially all of its property and assets, including its goodwill and its corporate franchises, upon such terms and conditions and for such consideration, which may consist in whole or in part of money or other property, including shares of stock in, and/or other securities of, any other corporation or corporations, as its board of directors or governing body deems expedient and for the best interests of the corporation, when and as authorized by a resolution adopted by the holders of a majority of the outstanding stock of the corporation entitled to vote thereon or, if the corporation is a nonstock corporation, by a majority of the members having the right to vote for the election of the members of the governing body and any other members entitled to vote thereon under the certificate of incorporation or the bylaws of such corporation, at a meeting duly called upon at least 20 days’ notice.
See 8 Del. C. § 271(a).
Primary source · Primary law
G.3 Delaware Uniform Commercial Code — continuation of a security interest after dispositionA security interest generally continues in collateral after a disposition unless the secured party authorized the disposition free of the security interest.
Except as otherwise provided in this Article and in Section 2-403(2): (1) a security interest or agricultural lien continues in collateral notwithstanding sale, lease, license, exchange, or other disposition thereof unless the secured party authorized the disposition free of the security interest or agricultural lien; and (2) a security interest attaches to any identifiable proceeds of collateral.
See 6 Del. C. § 9-315(a)(1).
Primary source · Regulation
G.4 Federal Acquisition Regulation — applicability of novation agreementsThe FAR states that ownership issues in either an asset or stock purchase may appropriately be addressed in a formal agreement between the contractor and the Government.
However, whether there is a purchase of assets or a stock purchase, there may be issues related to the change in ownership that appropriately should be addressed in a formal agreement between the contractor and the Government (see 42.1203(e)).
See 48 C.F.R. § 42.1204(b).
Maintaining the diligence issues list
The diligence issues list can be updated as documents arrive, the proposed structure changes, specialists complete their reviews, and the parties negotiate transaction terms. The current version can identify the supporting record, unresolved question, responsible person, timing, and effect on signing, closing, or post-closing work.