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Practice Area
Our Patent Litigation Practice is one of the country’s most active and highly regarded. Our seasoned patent litigators bring extensive courtroom experience to every matter we handle. According to Lex Machina, we are among the top three national patent defense firms in the country for number of appearances and cases filed, and we also were the top national defense firm for number of patent trials in the last five years (2018–2022).
Practice Area
eDiscovery & Information Governance
Winston’s eDiscovery & Information Governance Practice (eDiscovery Group) is one of the United States’ largest and most experienced. Per The Legal 500 US 2024, “[Winston has] a very strong practice from top to bottom. They have a good e-discovery consulting practice and excellent review and production capabilities and are amongst the strongest advocates you could want in a courtroom.” We have built a full-service consulting practice to support our clients and case teams in these complex areas—both domestically and globally.
Practice Area
Government Program Fraud, False Claims Act & Qui Tam Litigation
Investigations and litigation involving alleged fraud against the government pose a significant and growing threat to organizations and individuals across all industries that engage directly or indirectly in business with federal, state, and/or local governments. The government makes aggressive use of its extensive criminal and civil investigatory powers to root out alleged fraud and abuse implicating government funds, including one of its most powerful civil enforcement tools—the federal False Claims Act (FCA)—and similar state false claims statutes.
Experience 34 results
Experience
|April 30, 2025
Rapid Ruling: Fifth Circuit Affirms Winston Win on Summary Judgment the Day After Oral Argument
Winston recently secured a total victory for our clients, KVP Energy Services, LLC and other affiliated defendants, at the U.S. Court of Appeals for the Fifth Circuit. Plaintiff BHI Energy I Power Services LLC filed suit in the U.S. Northern District of Texas in September 2022, alleging US$150M in damages in connection with causes of action for misappropriation of trade secrets, unfair competition, and various other business torts and statutory violations. Winston scored an important early win in January 2023 by defeating BHI Energy’s motion for preliminary injunction. After a year of extensive discovery, Winston moved for full summary judgment on behalf of all defendants. In a strongly worded opinion, the district court granted Winston’s summary judgment motion and dismissed the entirety of BHI’s lawsuit.
Experience
|April 30, 2025
In December 2022, Winston convinced Judge Albright of the W.D. Tex. to reverse his tentative construction and invalidate four patents based on means-plus-function indefiniteness at claim construction in the district court. Winston also persuaded Judge Albright to deny Fintiv’s motion for reconsideration the next month. Fintiv appealed to the Federal Circuit, which affirmed the district court in a precedential opinion in April 2025. Winston overcame a significant amount of sleight of hand from Fintiv, which continually shifted the purported structure of the “payment handler” term through claim construction, its motion for reconsideration, and appellate briefs, muddying the record. Ultimately the opinion clearly distinguished the factual record from that in Dyfan v. Target, curbing patentees abilities to argue that all code or applications are a “class of structures” and not indefinite under 112(f). The Federal Circuit affirmed four of the five patents Winston invalidated for PayPal, effectively foreclosing Fintiv’s ability to revive these patents for assertion. Winston also invalidated the fifth patent at the PTAB; Fintiv’s appeal of that Final Written Decision is pending.
Experience
|May 10, 2024
Winston’s London Restructuring practice scores a significant win on appeal for Hong Kong and BVI liquidator claimants in the People’s Republic of China (PRC) based Peking University Founders Group Limited (PUFG) insolvency.
Insights & News 883 results
In the Media
|May 6, 2026
|1 Min Read
Enrique Martin Discusses Miami Office Expansion and Strategic Growth with Law360 Pulse
Miami Office Managing Partner Enrique Martin was featured in a Q&A with Law360 Pulse where he discussed Winston’s move to two floors in Miami’s Southeast Financial Center, highlighting the firm’s continued investment in South Florida and its ability to serve clients globally. The firm’s Miami office first opened in 2022 with six lateral partners and has since grown to have more than 40 lawyers.
Winston’s Environmental Law Update
|April 15, 2026
|5 Min Read
In October 2025, we covered the evolving legal landscape surrounding E15 gasoline—a fuel blend containing 15% ethanol—including the EPA's history of issuing short-term emergency waivers to allow summer sales, California's decision to authorize E15 statewide, and the introduction of the bipartisan Nationwide Consumer and Fuel Retailer Choice Act of 2025 in Congress.
Article
|April 7, 2026
|9 Min Read
Justices’ Ruling Stresses Quick Action Against Absconders
This article was originally published in Law360. Any opinions in this article are not those of Winston & Strawn or its clients. The opinions in this article are the authors’ opinions only.
Other Results 26 results
Site Content
The Shipping Act is a set of maritime commerce regulations overseen by The Federal Maritime Commission (FMC). The Shipping Act of 1916 created the United States Shipping Board, the first federal agency tasked with regulating the U.S. maritime industry and addressing shipping shortages caused by World War I. It was later modified by the Shipping Act of 1984 in response to changes in the industry and more recently by the Ocean Shipping Reform Act of 2022. Today it remains foundational to regulating the U.S. commercial shipping industry.
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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.