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Practice Area
Class Actions & Group Litigation
Winston has developed a consistent record of success handling class action cases in state and federal courts. The practice is anchored by seasoned class action lawyers, many of whom have been recognized by Chambers USA and other ranking organizations as being top practitioners in their field. Our clients rely on us to steer them through class action matters by drawing on the firm’s significant experience in resolving complex litigation using creative and aggressive arguments, across a broad range of class, collective, coordinated, and mass actions, as well multidistrict litigation. We also have succeeded at trial in several class actions—a rare occurrence.
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
Brands across key sectors turn to Winston litigators to defend their reputations in advertising class actions, competitor disputes, and investigations. With litigators based in the U.S.’s busiest jurisdictions—including courts in California, Florida, Illinois, New York, and Texas—we have deep experience and prowess in handling some of the most high-profile and business-essential advertising cases in recent history. These disputes have involved false advertising; unfair competition, unfair business practices, and unjust enrichment; copyright, trade name, and service mark infringement; consumer-protection claims; and violations of the Lanham Act.
Experience 448 results
Experience
|March 4, 2026
End of the Line: Winston Wins Unanimous Supreme Court Victory Against NJ Transit
In a unanimous decision authored by Justice Sotomayor, the U.S. Supreme Court held that NJ Transit is not an arm of the State of New Jersey and therefore is not entitled to sovereign immunity. The ruling means that plaintiffs injured by NJ Transit outside of New Jersey—such as in Pennsylvania and New York—may pursue claims in the courts of the states where their injuries occurred. The court adopted Winston’s position that state-created corporations that are formally liable for their own judgments are not arms of the state, reversing the Pennsylvania Supreme Court’s dismissal of Cedric Galette’s negligence suit while affirming the New York Court of Appeals’ decision allowing Jeffrey Colt’s case to proceed.
Experience
|February 22, 2026
Winston & Strawn LLP Paris advised the Compagnie Européenne de Garantie et Caution (CEGC, BPCE Group) financial creditors on the adoption of Réalités’ recovery plan by the Nantes Commercial Court.
Experience
|February 18, 2026
RF Acquisition Corp III Announces Closing of $100 Million Initial Public Offering
Winston & Strawn LLP represented RF Acquisition Corp III, a newly organized special purpose acquisition company formed as a Cayman Islands exempted company, in connection with its $100M initial public offering. The Company priced 10,000,000 units at a price of $10.00 per unit. The units are listed on the Nasdaq Global Market and began trading under the ticker symbol “RFAMU” on February 13, 2026. Each unit consists of one ordinary share, par value $0.0001 per share, and one right to receive one-tenth of one ordinary share.
Insights & News 3,776 results
Recognitions
|March 11, 2026
|Less Than 1 Min Read
Annie Maudouit Appointed Secretary General of the Association des Avocats en Droit Boursier
Partner Annie Maudouit has been appointed Secretary General of the Association des Avocats en Droit Boursier (ADB) in France.
In the Media
|March 10, 2026
|2 Min Read
Winston & Strawn’s New Miami Office Draws Headlines
Winston’s move to its new Miami office has drawn attention from local and industry media, including Daily Business Review, South Florida Business Journal, and more. The coverage highlights how the firm’s move to the 17thand 18thfloors at 200 S. Biscayne Boulevard reflects the firm’s ongoing commitment to investing in its clients, its people, and the communities in which it operates.
In the Media
|March 9, 2026
|1 Min Read
Winston Paris Office Move Featured in Law.com International
Winston & Strawn’s Paris office move to a new space at 106 Boulevard Haussmann was featured in Law.com International. The new space is located in a classic Haussmann-era building featuring three-meter-high ceilings, traditional moldings, fireplaces, and mirrors while incorporating a modern design with warm tones to create an inviting and collaborative workplace.
Other Results 34 results
Location
Since opening in 2011, Winston & Strawn’s Houston office has grown to nearly 60 lawyers and is home to many long-standing leaders of the Houston legal and business communities. Our Houston office hosts a comprehensive transactional team specializing in private equity, capital markets, and public companies, as well as extensive commercial litigation and intellectual property practices—with nearly all Houston IP attorneys possessing technical degrees. We are also home to a leading energy and infrastructure group that focuses on oil and gas projects and infrastructure litigation, and an international arbitration practice. Our robust offerings demonstrate our commitment to the continued growth of the city’s global, economic, and cultural footprint.
Law Glossary
What Is Data Breach and Data Security Law?
Within 48 U.S. states and the District of Columbia, data breach and data security laws require organizations and government agencies to provide notifications of security breaches when they involve personally identifiable information. Companies may also be required by state data breach laws to act to minimize the effects of a breach. The FTC can investigate companies that do not adhere to their stated privacy policies and do not have safeguards to protect customer data, but no broad federal law exists regarding breach notifications. However, these U.S. data security laws and government agency rules are enforced:
Location
Winston & Strawn’s Miami office opened in 2022 and represents the firm’s largest expansion in several years. Located in the heart of the city’s Financial District, the office launched with a strong team of transactional and litigation partners from prestigious law firms operating in South Florida. Our Miami office leverages the area’s status as a critical nexus point for banking and international trade with the United States, Europe, Latin America, and other parts of the world. Our attorneys have the cultural fluency and local knowledge necessary to work seamlessly with international clients, particularly those with ties to Latin America.