Credentials at a Glance

ranked

Litigation: Securities (Texas)

Chambers USA, 2021 – 2025

Ranked

Dispute Resolution – M&A Litigation: Defense

The Legal 500, 2018 – 2025

ranked

Dispute Resolution – Securities Litigation – Defense

The Legal 500 US, 2018–2025

Where We Excel


Vinson & Elkins’ Shareholder Litigation & Enforcement group consists of four primary practices—securities litigation, M&A litigation, fiduciary duty litigation, and securities enforcement investigations. At times, our clients face components of each of these litigation areas concurrently, and our team works closely to maximize our clients’ chances of winning.

Our securities litigation practice focuses on state and federal securities lawsuits, including securities fraud class actions. Our M&A litigation practice upholds our clients’ rights under their most important agreements when disputes arise with transaction counterparties. Our fiduciary duty practice includes pre- and post-closing challenges to mergers and acquisitions, master limited partnership (“MLP”) litigation, derivative lawsuits, and other claims made against corporate officers and directors under Delaware law. Our securities enforcement practice handles securities fraud class actions, fiduciary duty litigation, MLP litigation, derivative actions, lawsuits relating to corporate governance litigation, and proceedings before state and federal securities regulators.

Though our Shareholder Litigation practice is nationwide, we have particular experience in Delaware matters. As outlined below, V&E lawyers routinely take cases to trial in Delaware Chancery Court, obtain judgments in favor of our clients, and successfully uphold those judgments in the Delaware Supreme Court.

Experience

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At Vinson & Elkins, we bring decades of knowledge, skill, and experience to our clients’ most complex legal matters.

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Insights

Client Alerts

Governance & Sustainability Roundup – August 10, 2026

Welcome to our Governance & Sustainability Roundup — Our regular briefing that gives a quick overview on what has recently …

August 10, 2026

August 10, 2026 • 6-minute read

Client Alerts

A CPA Walks into Enforcement: The SEC Announces a New Reporting Unit

On August 5, 2026, the SEC announced a new Financial Reporting and Accounting Unit within its Division of Enforcement. Staffed …

August 6, 2026

August 6, 2026 • 3-minute read

Client Alerts

Delaware Court of Chancery Dismisses Fiduciary Duty and Control Group Claims Challenging KnowBe4’s $4.6 Billion Take-Private by Vista Equity Partners

On May 27, 2026, Chancellor Kathaleen McCormick of the Delaware Court of Chancery issued a memorandum opinion in Le Clair …

June 23, 2026

June 23, 2026 • 10-minute read

Client Alerts

Governance & Sustainability Roundup – June 17, 2026

Welcome to our Governance & Sustainability Roundup — Our regular briefing that gives a quick overview on what has recently …

June 17, 2026

June 17, 2026 • 10-minute read

Client Alerts

Supreme Court Holds Investment Company Act Section 47(b) Does Not Create a Private Right of Action

On June 11, 2026, the Supreme Court issued its opinion in FS Credit Opportunities Corp. v. Saba Capital Master Fund, …

June 17, 2026

June 17, 2026 • 5-minute read

Client Alerts

Supreme Court Rejects Financial Harm Requirement for SEC Disgorgement

On June 4, 2026, the U.S. Supreme Court rejected an attempt to limit the ability of the U.S. Securities and …

June 9, 2026

June 9, 2026 • 3-minute read

Client Alerts

Another Nail in the Coffin: SEC Proposes Total Rescission of Climate-Related Disclosure Rules

Following extensive foreshadowing, the Securities and Exchange Commission (“SEC”) proposed the total rescission of the Biden-era climate-related disclosure rules on …

June 1, 2026

June 1, 2026 • 3-minute read