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Practice Area
Our attorneys have extensive experience counseling U.S. and multinational public companies across a range of industries in all aspects of corporate governance, securities, and compliance matters. We advise public companies, boards of directors and their committees, and senior executives on the corporate governance and compliance matters that public companies and their leadership confront—from board structuring and succession planning to shareholder activism and SEC regulation. Drawing on our experience as seasoned counselors, we keep clients abreast of evolving trends and best practices to proactively manage any governance or compliance issues. We have assembled one of the most experienced teams of any law firm in the country that’s counseling public companies.
Practice Area
Our nationally recognized Appellate & Critical Motions (ACM) Practice delivers sophisticated legal advocacy and analysis before trial, at trial, and on appeal. From state trial courts to the U.S. Supreme Court, our ACM attorneys identify, preserve, and present the critical legal issues that can make the difference between winning and losing.
Practice Area
Our capital markets and securities attorneys represent U.S. and international issuers, institutional investors, underwriters, and placement agents in a wide variety of public and private offerings of debt and equity securities.
Experience 542 results
Experience
|September 23, 2025
Denali Capital Acquisition Corp Closes Business Combination with Semnur Pharmaceuticals
Winston & Strawn LLP represented Denali Capital Acquisition Corp. (OTCQB: DNQAF), a special purpose acquisition company, in the closing of its previously announced business combination with Semnur Pharmaceuticals, Inc., a clinical late-stage specialty pharmaceutical company focused on the development and commercialization of novel non-opioid pain therapies and a majority-owned subsidiary of Scilex Holding Company (Nasdaq: SCLX).
Experience
|September 8, 2025
Winston represents a class of professional swimmers alleging World Aquatics (WA) violated antitrust laws by blocking their participation in the competing International Swimming League. After WA won summary judgment, Winston successfully appealed, arguing the court applied improper antitrust standards and wrongly denied certification of a damages class. In September 2024, the Ninth Circuit reversed both rulings, reviving all claims and issuing a landmark ruling on the possible application of the per se rule or quick look review to sports-associations rules. Am Law awarded Winston “Litigator of the Week” Runner-Up recognition for the win. In November 2024, the Ninth Circuit denied rehearing. In April 2025, the district court certified a damages class.
Experience
|August 19, 2025
Winston advised Ellipsis U.S. Onshore Holdings LLC, a portfolio company of the Westlawn Group, in connection with the acquisition of high-quality, non-operated working interests in the Permian Basin of Texas and New Mexico—adding approximately 4,000 barrels of oil equivalent per day in net production and over 600 gross remaining drilling locations. This strategic transaction strengthens Ellipsis’ Delaware Basin footprint and supports its strategy of scaling through high-margin, low-cost assets.
Insights & News 7,985 results
Sponsorship
|October 22, 2025
Winston & Strawn Sponsors the 2025 Eastern District of Texas Bench Bar Conference
Winston & Strawn is a proud sponsor of the 2025 Eastern District of Texas Bench Bar Conference, one of the nation’s top annual bench bar conferences. The conference brings together judges, lawyers, topic speakers, guests, and other participants from across the world to discuss a broad range of cutting-edge legal topics.
Sponsorship
|October 19, 2025
Winston & Strawn Sponsors The 2025 National Summit for Middle Market Funds
Winston & Strawn is proud to be an elite sponsor of The 2025 National Summit for Middle Market Funds, the premier event for lower middle market networking and fundraising.
Sponsorship
|October 15, 2025
Winston & Strawn Sponsors ChIPs 2025 Global Summit
Winston & Strawn is a proud sponsor of the 2025 ChIPs Global Summit, which brings together women from all over the world working in technology, policy, private practice, corporations, government, academia, and beyond. Each year, the summit aims to advance innovation through diversity of thought and connect women through engagement opportunities.
Other Results 122 results
Site Content
Also known as maritime cabotage laws, U.S. coastwise laws reserve U.S. domestic maritime trade to qualified U.S. registered (referred to as “U.S.-flag” vessels). These laws are also commonly referred to as the Jones Act. One of these coastwise laws, the Passenger Vessel Services Act, reserves the transportation of passengers between U.S. ports, or points, to qualified U.S.-flag vessels.
Law Glossary
Where Is a List of Biosimilar Drugs and Biologics That Have Been Approved in the U.S.?
The FDA maintains a list of biosimilar drugs that have been approved in the USA. This list can be found here.
Site Content
The International Convention for the Prevention of Pollution from Ships (MARPOL) is an international treaty established to protect the marine environment by reducing the amount of pollution from ships. It is divided into six annexes addressing different forms of pollution including oil pollution, noxious liquid substances, harmful substances in packaged form, sewage pollution, garbage pollution, and air pollution. The regulations apply to both commercial and leisure vessels and are enforced by countries that are parties to the convention.