With a Fresh Look at the Facts in Columbia Pipeline, the Delaware Supreme Court Continues to Narrow Aiding and Abetting Liability for Acquirers

On June 17, 2025, the Delaware Supreme Court for the second time in six months reversed a post-trial damages award against an acquiring company accused of aiding and abetting breaches of fiduciary duty by target company management. The June 17 decision is In re Columbia Pipeline Group, Inc., Merger Litigation, 2025 WL 1693491 (Del. June 17, 2025). The earlier decision is In re Mindbody, Inc. Stockholder Litigation, 332 A.3d 349 (Del. 2024). 

With Great Flexibility Comes Great Responsibility (to Draft LLC Agreements Carefully)

“The limited liability company affords great flexibility to those who adopt it to organize their enterprise. Many take advantage of that flexibility by drafting a bespoke limited liability company agreement. But if that agreement is contradictory or confusing, flexibility begets friction.” – Vice Chancellor Zurn, Holzbaur v. Trolley Square Hospitality, LLC (Del. Ch. June 4, 2025)

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Panoramic – Corporate Governance 2025

Holly Gregory and Claire Holland have authored the United States chapter of Panoramic – Corporate Governance 2025, an annual summary of key corporate governance practices in 18 jurisdictions worldwide. Topics addressed in the chapter include: sources of governance rules and practice, shareholders’ rights, duties and liability, anti-takeover devices, board structures, legal duties of the board, and disclosure and reporting requirements. Holly Gregory has served as the contributing editor since 2015.

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Fourth Circuit Paves a Bumpier Path to Post-Deal D&O Coverage

On May 28, 2025, the Fourth Circuit in Towers Watson & Co. v. National Union Fire Insurance Co. affirmed the denial of D&O liability insurance coverage to Towers Watson in connection with its 2015 merger with Willis Group. This marked the Fourth Circuit’s second opinion in the case since 2023, each time issuing significant rulings on the “bump-up” exclusion in D&O policies. Reflecting the principle that D&O policies are not deal warranty insurance, the bump-up exclusion bars coverage for awards or settlements on claims that a company overpaid or received too little in a merger or similar transaction.

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Texas Legislature Continues to Tweak the Business Court Formula

On June 20, 2025, Texas Governor Greg Abbott signed House Bill 40 (H.B. 40), making changes to Texas’s business court. H.B. 40 signals the state’s growing commitment to its newly created business court. While the business court began to hear cases last year, the amendments reflected in H.B. 40 modify key aspects of the court’s jurisdictional scope and procedural structure, reflecting the legislature’s confidence in the court. As the business court takes on a larger role in the Texas legal landscape, attorneys should take this opportunity take a fresh look at the strategic opportunities that the business court presents.

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Fewer Campaigns, but Much to Observe from the 2025 Proxy Season

While the number of overall shareholder activism campaigns cooled in the 2025 proxy season compared to years past, the season has been marked by its fair share of fireworks and headlines, as well as unique events and disruptions. The season has also provided many lessons for companies as we look ahead to the 2026 proxy season.

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Winding Back the Clock: Delaware Supreme Court Clarifies When Fraudulent Concealment Resets a Contractual Limitations Period

The Delaware Supreme Court recently clarified the circumstances when a fraudulent concealment claim will toll a contractual limitations period. In LGM Holdings, LLC v. Gideon Schurder, et al., the sellers of a pharmaceutical business moved to dismiss the buyers’ claims for breaches of the representations and warranties in the parties’ purchase agreement, arguing they were time-barred by a five-year survival period in the agreement’s indemnification provision. The buyers argued that this five-year period should be tolled under the fraudulent concealment doctrine, but the trial court disagreed, dismissing the claim after finding that fraudulent concealment did not toll the survival period because the buyers had learned of the potential claim within that five-year period. The Delaware Supreme Court reversed the dismissal, and in doing so, offered useful guidance for the pleadings requirements for a fraudulent concealment claim and when fraudulent concealment will apply to a contractual limitations period.

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Meet the Team

<a target=‘_blank’ href="https://www.sidley.com/en/people/s/stern-andrew-w">Andrew W. Stern</a>

Andrew W. Stern

New York
<a target=‘_blank’ href="https://www.sidley.com/en/people/n/newell-charlotte-k">Charlotte K. Newell</a>

Charlotte K. Newell

New York
<a target=‘_blank’ href="https://www.sidley.com/en/people/a/austin-elizabeth-y">Elizabeth Y. Austin</a>

Elizabeth Y. Austin

Chicago
<a target=‘_blank’ href="https://www.sidley.com/en/people/b/bartlett-jaime-a">Jaime A. Bartlett</a>

Jaime A. Bartlett

San Francisco
<a target=‘_blank’ href="https://www.sidley.com/en/people/d/ducayet-james-w">Jim Ducayet</a>

Jim Ducayet

Chicago
<a target=‘_blank’ href="https://www.sidley.com/en/people/g/garcia-yolanda-c">Yolanda C. Garcia</a>

Yolanda C. Garcia

Dallas
<a target=‘_blank’ href="https://www.sidley.com/en/people/h/heyworth-james">James Heyworth</a>

James Heyworth

New York
<a target=‘_blank’ href="https://www.sidley.com/en/people/k/kaplan-alex-j">Alex J. Kaplan</a>

Alex J. Kaplan

New York
<a target=‘_blank’ href="https://www.sidley.com/en/people/l/lopez-jodi-e">Jodi E. Lopez</a>

Jodi E. Lopez

Los Angeles

<a target=‘_blank’ href="https://www.sidley.com/en/people/m/muenz-jon">Jon Muenz</a>

Jon Muenz

New York
<a target=‘_blank’ href="https://www.sidley.com/en/people/r/ross-ian-m">Ian M. Ross</a>

Ian M. Ross

Miami
<a target=‘_blank’ href="https://www.sidley.com/en/people/s/sheppard-hille-r">Hille R. Sheppard</a>

Hille R. Sheppard

Chicago
<a target=‘_blank’ href="https://www.sidley.com/en/people/s/sultanian-heather">Heather Benzmiller Sultanian</a>

Heather Benzmiller Sultanian

Chicago
<a target=‘_blank’ href="https://www.sidley.com/en/people/v/velevis-robert-s">Robert S. Velevis</a>

Robert S. Velevis

Dallas
<a target=‘_blank’ href="https://www.sidley.com/en/people/w/wechkin-robin-e">Robin E. Wechkin</a>

Robin E. Wechkin

Seattle

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