Statute Annotations › Delaware › 8 Del. Code Ann. § 259

8 Del. Code Ann. § 259

Effect of merger: the cases that interpreted this section

Jurisdiction
Delaware
Case notes
12
Cited in passing
14
Citing cases indexed
35
Case dates
1978–2025
Screened through
2025-07-29
Courts' treatment: live
No reviewed case has held this section invalid, preempted, superseded or repealed.
This reflects what the reviewed cases said, not legislative action: a later amendment or repeal by the legislature would not appear here unless a reviewed case discussed it.

26 citing cases reviewed of 35 in the citation index: 12 interpreted the section (annotated below), 14 cited it only in passing. Cases filed after 2025-07-29 may not have been reviewed yet.

Have a situation under 8 Del. Code Ann. § 259?

These notes show how courts have ruled. Ask about your specific facts and see which of these rulings apply, with citations you can check.

Effect of merger on derivative standing

Section 259(a) ends the separate existence of constituent corporations after a merger, and under the court’s interpretation derivative rights pass to the surviving corporation rather than remaining with the merged corporation or its former shareholders.

Berger v. General United Group, Inc. · filed 1978-06-28(a)

This Delaware statute has been interpreted consistently to deny a corporation that disappears in merger and its former shareholders standing to maintain a claim. ... By virtue of merger derivative rights pass to the surviving corporation. ... We already have noted that under the Delaware law made applicable by the Iowa code, derivative rights pass to the surviving corporation. ... In view of the allegations of this petition, we hold trial court was right in ruling plaintiffs had no standing to sue.
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Section 259(a) provides that when a merger becomes effective under Delaware law, the separate existence of the constituent corporations ceases for purposes of Delaware law.

NDC LLC v. Topinka · filed 2007-06-15(a)

With respect to the merger of a Delaware corporation into a Delaware bmited liabibty company, Delaware law provides in relevant part that “[w]hen any merger or consobdation shall have become effective under this chapter, for all purposes of the laws of this State the separate existence of all the constituent corporations *** shall cease.” (Emphasis added.) Del. Code Ann. tit. 8, §259(a) (West 2004). Thus, the non-surviving corporation in a merger under Delaware law ceases to exist for the purposes of the laws of Delaware only.
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Section 259 makes the surviving corporation subject to the restrictions, disabilities, and duties of the constituent corporations after a merger.

Honeywell International Inc. v. United States · filed 2008-04-14

Accordingly, Honeywell International Inc. is subject to all of the “restrictions, disabilities and duties” of Honeywell Inc.
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Section 259(a) makes the surviving corporation succeed to the acquired corporation’s debts and liabilities and ends the separate existence of the other corporations after a merger.

Techtron Holding, Inc. · filed 2023-03-09(a)

Under Delaware law, the surviving corporation in a merger succeeds to and is liable for the debts and liabilities of the acquired corporation to the same extent as if incurred by the successor corporation. Del. Code Ann. tit. 8, § 259(a) (2022); see S. Pac. Transp. Co. v. Commissioner, 84 T.C. 367, 373 (1985). The statute also provides that, after a merger, the separate existence of all corporations other than the surviving corporation “shall cease.” Del. Code Ann. tit. 8, § 259(a). Accordingly, nonsurviving corporations under Delaware law cannot sue or be sued.
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Surviving corporation’s liabilities after merger

Section 259(a) makes the surviving corporation in a merger assume the constituent corporation’s liabilities.

Witco Corp. v. Beekhuis · filed 1994-10-20(a)

Witco has assumed all the liabilities of Halby through this succession of mergers. Del. Code Ann. tit. 8, § 259(a) (1991). Thus, for purposes of indemnification, the rights of the Estate must be measured as though Dr. Beekhuis had been an officer and director of Witco.
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Section 259(a) makes a surviving corporation liable for its predecessor’s liabilities, including potential punitive damages.

Krull v. Celotex Corp. · filed 1985-05-31(a)

Under the terms of the merger agreement and the Delaware General Corporation Law, Celotex unconditionally assumed all debts and liabilities of Panacon. Celotex has presented this Court with no authority for treating punitive damages differently from any other liability. Celotex’s motion for summary judgment as to punitive damages is therefore denied.
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Effect of merger on corporate property and legal claims

Section 259(a) provides that, upon a merger, the constituent corporation ceases to exist and the surviving corporation succeeds to its property and causes of action.

Nisselson v. Lernout · filed 2006-11-08(a)

Even so, the trustee's reasoning is flawed; his analysis entirely overlooks that, pursuant to both the merger agreement and the governing law, see Del. Code Ann. tit. 8, § 259(a), upon the consummation of the merger Old Dictaphone vanished into thin air and New Dictaphone inherited all of Old Dictaphone's choses in action.
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Section 259(a) provides that when corporations merge, the merged corporation’s identity is absorbed into the surviving corporation, and the merged corporation ceases to exist.

Worley v. Moore · filed 2017-02-28(a)

When two corporations merge, the merged corporation’s identity is merged into the surviving corporation and the merged corporation ceases to exist; only the surviving corporation maintains its corporate existence.
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Section 259 provides that a constituent entity's separate existence ends when it merges into another corporate entity.

U.S. Bank v. Cozzone · filed 2019-11-01

Under Delaware law, the separate existence of a constituent entity that merges into a new corporate entity disappears at the moment of merger. Del. Code Ann. tit. 8, § 259 (West 2019).
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Effect of merger on constituent corporation's existence

Section 259(a) makes a constituent corporation's separate existence cease upon an effective merger for purposes of Delaware law, but not for purposes of another state's law.

Nalco NDC LLC v. Topinka · filed 2007-06-15(a)

With respect to the merger of a Delaware corporation into a Delaware limited liability company, Delaware law provides in relevant part that "[w]hen any merger or consolidation shall have become effective under this chapter, for all purposes of the laws of this State the separate existence of all the constituent corporations *** shall cease." (Emphasis added.) Del. Code Ann. tit. 8, §259(a) (West 2004). Thus, the non-surviving corporation in a merger under Delaware law ceases to exist for the purposes of the laws of Delaware only.
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Surviving corporation assumes constituent corporations’ liabilities

Section 259(a) makes the debts, liabilities, and duties of constituent corporations attach to the surviving or resulting corporation upon merger, but it does not retroactively make the constituent corporations the same before the merger.

Bank of America Corporation v. United States · filed 2025-07-29(a)

The Bank also points to a Delaware statute which says that “all debts, liabilities and duties of the respective constituent corporations shall thenceforth attach to said surviving or resulting corporation.” Del. Code Ann. tit. 8, § 259(a). But these sources simply make the basic, undisputed point that, at the time of the merger, the pre-merger companies join into a new entity that absorbs their liabilities. That does not make the pre-merger companies retroactively the same prior to the merger.
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Section 259(a) makes the surviving corporation responsible for the debts, liabilities, and duties of the constituent corporations after a merger becomes effective.

Rose Ana Forbes Lemelle, Rose Ana Forbes Lemelle v. Universal Mfg. Corp., Universal Mfg. Corp., Werts Novelty Co., Inc., · filed 1994-05-27(a)

Under both Alabama and Delaware law, the assets and liabilities of merging corporations become the responsibility of the surviving corporation.
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14 more cases cited this section only in passing

These cases mention the section without interpreting it (a string cite, a footnote, background). Listed so you can see the full citation record, not just the annotated rulings.

Mardan Corporation v. C.G.C. Music, Ltd. And MacMillan Inc., section 259 appears only in a footnote stating a procedural fact about the action being filed within three years after dissolution; the court did not interpret or decide anything about the statute. The holding instead concerned whether a CERCLA claim was barred by a settlement and release. opinion →
Versyss Incorporated v. Coopers and Lybrand, Etc., the court cites § 259(a) as background support for the effect of the merger while deciding whether the transaction involved acquiring securities under federal Securities Act § 11. It does not independently construe or decide any issue about § 259(a). opinion →
David B. Lilly Co. v. Fisher, the court mentions § 259 only while recounting the Lilly Company's asserted theory that claims passed through the merger; it does not construe or independently decide anything about the statute. opinion →
Thomeier v. Rhone-Poulenc, Inc., section 259(a) appears only in a footnote listing statutes concerning successor liability after a merger. The court did not interpret or independently apply the Delaware statute; its decision addressed Pennsylvania workers’ compensation immunity and the dual-persona doctrine. opinion →
Teamsters Pension Trust Fund of Philadelphia & Vicinity William J. Einhorn v. Silas Littlejohn Teamsters Local Union No., section 259(a) appears only as one authority in a string cite illustrating a general state-law merger-liability principle. The court did not construe or apply Delaware law; it adopted a federal common-law rule for ERISA successor liability. opinion →
Stayton v. CLARIANT CORP., section 259(a) is mentioned only in a footnote stating that the result would be the same under Delaware law. The court did not interpret the statute or decide what it requires; its holding applied the Delaware Workers’ Compensation Act and New York’s merger statute. opinion →
De La Rosa v. Reliable, Inc., the opinion only reports Defendant Reliable’s argument invoking § 259 and does not adopt or decide that interpretation. opinion →
Illinois Insurance Guaranty Fund v. Priority Transportation, Inc., the court cited § 259(a) only as one of three parallel merger statutes to conclude that there was no meaningful choice-of-law difference, then expressly applied Illinois law. It did not construe or apply § 259(a) as the governing statute. opinion →
ROYZENSHTEYN VS. PRASHANT PATHAK (C-000045-18, MONMOUTH COUNTY AND STATEWIDE), the court reports the Delaware Chancery Court's construction of § 259(a) as persuasive authority but expressly declines to hold that Delaware law controls the issues in this case. Thus, it does not decide what § 259 means or requires. opinion →
Cloer v. King Arthur, the court cited § 259 in a string cite as corroboration for a general merger-liability proposition. It did not analyze the text, meaning, requirements, or application of § 259 itself. opinion →
Madsen v. American Home Products Corp., the court merely quoted § 259 in a footnote while recounting an earlier jurisdictional order; it did not construe or independently decide the statute's meaning or application. The remand ruling turned on diversity jurisdiction and the absence of collusive conduct under 28 U.S.C. § 1359. opinion →
Villari v. Mozilo, the opinion mentions § 259(a) only as one of three Delaware Corporation Law provisions discussed and reconciled in the earlier Anderson decision. The court applies and discusses the continuous ownership rule and its exceptions, but does not interpret or decide what § 259(a) itself means or requires. opinion →
A.F. v. Sorin Grp. USA, Inc., section 259 is cited only parenthetically as authority for a general merger-capacity proposition drawn from Sevits. The court did not construe or analyze the statute; its dismissal of CarboMedics was a procedural application of that proposition. opinion →
Campbell v. Bluebeard's Castle Inc., the court applies the Virgin Islands merger statute and cites Delaware Section 259 only as a persuasive analogy. opinion →

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