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Professionals 232 results
Capabilities 30 results
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
Environmental Litigation & Enforcement
With today’s rapidly evolving rules of engagement, paired with the often contentious nature of environmental disputes, clients rely on Winston for our practical experience and substantive knowledge of the broad-ranging issues involved in environmental litigation, enforcement, and investigations.
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.
Experience 442 results
Experience
|January 29, 2026
A team led by Justin Levy, Austin Leach, and Ben Popeck served as sell-side advisors to GenNx360 Capital Partners in the sale of its portfolio company, Precision Aviation Group, to VSE Corporation for a total upfront consideration of approximately $2.025 billion in cash and equity. PAG expects to generate approximately $615 million of adjusted revenue for the fiscal year ended December 31, 2025. Together, VSE and PAG will create a more diversified, globally scaled aviation aftermarket platform with broader technical capabilities and an expanded portfolio of proprietary repair and solutions content designed to strengthen customer support, extend asset life, and reduce total cost of ownership.
Experience
|January 27, 2026
Winston & Strawn secured a decisive victory for PayPal in an intellectual property dispute brought by Irish non-practicing entity Internet Payment Patents LTD (IPPL). Magistrate Judge Susan van Keulen of the Northern District of California entered final judgment in PayPal’s favor, finding all asserted patent claims ineligible under 35 U.S.C. § 101 and granting PayPal’s motion to dismiss without leave to amend.
Experience
|January 22, 2026
Advised SQM on US$600M offering of subordinated capital notes due 2056 (Hybrid Bond Offering)
Winston & Strawn LLP advised longstanding client Sociedad Química y Minera de Chile S.A. (“SQM”) (NYSE: SQM) on its US$600 million offering of subordinated capital notes. The notes were offered in the United States pursuant to Rule 144A and outside the United States pursuant to Regulation S.The subordinated capital notes are due in 2056 and constitute SQM’s first international hybrid bond issuance, structured to be consistent with SQM’s recent UF 10 million (approximately US$ 430 million) Series S hybrid-subordinated bond issuance in the Chilean securities market. The notes bear an initial annual interest rate of 5.625% and are subject to reset on April 22, 2031 (the “First Reset Date”), and on every fifth anniversary thereafter, based on a spread over the 5-year U.S. Treasury bond rate, with interest rate step-ups on the fifth and twentieth anniversaries of the First Reset Date. The transaction closed on January 22, 2026.BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, Santander US Capital Markets LLC, and Scotia Capital (USA) Inc. acted as initial purchasers of the notes.Link Capital Partners was financial advisor to SQM.SQM is a global company with a leading position in the lithium, iodine, and potassium nitrate markets. It develops and produces a diverse range of products for industries essential to human progress, including health, nutrition, renewable energy, and technology, driven by innovation and technological development.The Winston & Strawn team advising on the transaction included corporate partner Sey-Hyo Lee (New York) and foreign legal advisor Bruno M. Fiorino (New York). Partner Katherine Erbeznik (New York) advised on tax matters.
Insights & News 6,516 results
Non-Fungible Insights: Blockchain Decrypted
|February 3, 2026
|4 Min Read
SEC Confirms Application of Federal Securities Laws to Tokenized Securities
On January 28, 2026, the SEC’s Division of Corporation Finance, Division of Investment Management, and Division of Trading and Markets jointly issued a Statement on the taxonomies associated with various products marketed as “tokenized securities.” The Statement confirmed what has been previously expressed in public statements: tokenization does not alter the legal status of a security or lessen regulatory obligations.
Sponsorship
|February 3, 2026
Winston & Strawn is excited to participate in IPEM Cannes Wealth 2026, where we will host and attend premier events that bring together industry leaders for networking and collaboration.
Benefits Blast
|February 3, 2026
|3 Min Read
Group Health Plans Must Update HIPAA Notices by February 16 to Address New SUD Privacy Rules
Covered entities, including group health plans, must update and distribute their Health Insurance Portability and Accountability Act of 1996 (HIPAA) Notice of Privacy Practices (NPP) by February 16, 2026, to comply with new rules for handling substance use disorder ) records.
Other Results 48 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.
Location
Serving one of the world’s largest economies for over 20 years, Winston & Strawn’s Los Angeles office is home to more than 100 lawyers and business professionals. Under the guidance of Office Managing Partner Angela Machala, our L.A. office thrives as a dynamic and tightly knit community with an inclusive culture in which its members from all backgrounds, experiences, and perspectives collaborate closely to support each other’s success and achieve their clients’ goals. Our L.A. lawyers—who are equally split between litigation and transactional work—advise 80+ Fortune 500 companies, which is a testament to the collaborative environment we’ve created to provide exceptional legal services.
Location
Winston & Strawn’s São Paulo office reflects the firm’s long-term investment in Brazil and the significant commitment of Winston’s Latin America practice group members to the country over many decades. Our fully bilingual São Paulo-based attorneys represent clients on international financing, cross-border mergers and acquisitions, corporate governance, and disputes. They also act as a relationship touch point for global clients looking to expand into Brazil, ensuring an integrated and seamless service. Our São Paulo attorneys have in-depth knowledge of the region’s legal, cultural, political, regulatory, and commercial frameworks, which have earned them recognition from Chambers Global, Chambers Brazil, Chambers Latin America, Leaders League, The Legal 500, Latinvex, IFLR 1000, and LatinFinance, among many others.