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  • Professionals (295)
  • Capabilities (75)
  • Experience (102)
  • Insights & News (4,116)
  • Other Results (107)

Professionals 295 results

David Enzminger
David Enzminger
Partner
  • Los Angeles, 
  • Silicon Valley
Email
+1 213-615-1780
vCard

Partner

  • Los Angeles
  • Silicon Valley
Nimalka Wickramasekera
Nimalka Wickramasekera
Partner
  • Los Angeles, 
  • Silicon Valley
Email
+1 213-615-1819
vCard

Partner

  • Los Angeles
  • Silicon Valley
Samantha Lerner
Samantha Lerner
Partner
  • Chicago
Email
+1 312-558-6463
vCard

Partner

  • Chicago
View All Professionals

Capabilities 75 results

Practice Area

Patent Litigation

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)....Read more

Practice Area

ITC – Section 337

The United States International Trade Commission (ITC) is an increasingly popular venue for patent infringement litigation. More and more companies are seeking to halt importations of infringing products into the United States by turning to the ITC for expedited relief. Section 337 investigations conducted by the ITC provide complainants with a “fast track” to remedy IP matters that typically go to trial within 10 months. Since many Section 337 cases go to trial, selecting an ITC litigation team with a command of the technology, patent law, and specialized procedural practice is extremely important. We have handled more than 100 cases before the ITC....Read more

Practice Area

Intellectual Property

Winston’s Intellectual Property (IP) Practice is one of the most active and highly regarded in the United States per Chambers USA, Benchmark Litigation US, and Best Law Firms®, among other ranking organizations. Our team features some of the country’s best IP lawyers, attorneys with the technical abilities to litigate and try highly complex IP disputes, and technical lawyers who provide critical advisory services....Read more

Experience 102 results

Experience

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April 6, 2026

MLBPI’s Licensing Fight Ends in Victory and Settlement with DraftKings

Winston is representing MLB Players Inc. (MLBPI), which serves as the exclusive group licensing representative for all MLB (major league baseball) players. MLBPI sued several online sportsbook and mobile-betting platforms, including DraftKings, over their use of hundreds of MLB player images and likenesses without MLBPI’s consent....Read more

Experience

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January 27, 2026

PayPal Successfully Invalidates Asserted Claims of Secure Payment Transaction Patent Under 35 U.S.C. § 101

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....Read more

Experience

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December 11, 2025

Winston Takes the Checkered Flag After “Massive Win” Settlement

Winston squared off in the W.D.N.C. against lawyers for NASCAR in an antitrust lawsuit brought on behalf of racing teams Front Row Motorsports Inc. and 23X1 Racing LLC—the team co-owned by Michael Jordan and driver Denny Hamlin—alleging monopolization of the market for premier stock car racing teams. On December 11, 2025, nine days into trial and the morning after the plaintiffs rested their case, the parties jointly announced a settlement. Jeffrey Kessler and Jeanifer Parsigian were recognized by American Lawyer with its top “Litigator of the Week” honors on December 19, 2025, for this historic settlement....Read more
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Insights & News 4,116 results

Sponsorship

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7 May 2026

Winston Sponsors Sport Resolutions Conference 2026

Winston is pleased to sponsor the annual Sport Resolutions Conference, which will take place at the Leonardo Royal London St Paul’s Hotel....Read more

Press Release

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April 20, 2026

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1 Min Read

Winston Strengthens Texas Intellectual Property Practice with Aimee Fagan

Dallas, TX – April 20, 2026 – Winston & Strawn LLP announced today that Aimee Fagan has joined the firm as a partner in the Litigation Department and the Intellectual Property Practice in Dallas.Aimee is a first-chair trial lawyer whose practice focuses on intellectual property and complex commercial litigation. She represents clients in high-stakes disputes, with significant experience in technology and IP matters, particularly within the energy sector, as well as across the technology, financial services, private equity, medical, and retail industries.“I’m excited to join such a dynamic team that is highly regarded for both its substantial trial capabilities and its deep experience managing complex IP and commercial disputes,” Aimee said. “I look forward to leveraging my experience and collaborating across the Dallas and Houston offices to deliver the high-caliber client service for which Winston is known.”Aimee’s patent and trade secret litigation experience, particularly in the energy sector, further enhances the firm’s established strengths and platform in IP litigation across Texas....Read more

In the Media

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April 16, 2026

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4 Min Read

Winston Secures Transformative Antitrust Verdict for States in Live Nation and Ticketmaster Trial

A Winston & Strawn team, led by Jeffrey Kessler, secured an antitrust verdict on behalf of more than 30 states and the District of Columbia, with a Manhattan federal jury finding Live Nation Entertainment and Ticketmaster liable for violating federal and state antitrust laws in a decision that has the potential to transform the concert, music, and ticketing industry. The jury concluded that Ticketmaster unlawfully maintained a monopoly in the primary ticketing market for major concert venues and that Live Nation unlawfully monopolized the large amphitheater market, compelling artists to use its promotion services to access its venues. Jurors further found that this conduct resulted in higher ticket fees, leading to an approximate $1.72 overcharge per ticket for consumers....Read more
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Other Results 107 results

Law Glossary

What Is the Patent Dance?

Colloquially referred to as the “patent dance,” the BPCIA provides a framework that includes certain steps and a schedule during which the applicant and reference product sponsor exchange confidential information disclosed in the aBLA. During the patent dance, the applicant and sponsor identify the patents that could be litigated in the future during two potential phases of litigation. In the first phase, the sponsor can allege infringement of a subset of the patents identified during the patent dance. The second phase begins after the sponsor receives the Notice of Commercial Marketing from the applicant. During this second phase, the sponsor can assert any remaining patents that were not asserted in the first phase....Read more

Site Content

What Is Form 8-K Used For?

Form 8-K is a form required to be filed by registrants with the SEC when certain significant or “material” events occur, such as mergers and acquisitions, changes in management, and director resignations. The form generally must be filed with four business days of the event triggering disclosure....Read more

Site Content

What Is Form S-1 Used For?

Form S-1 is the standard form of registration statement used in the IPO of securities by a domestic U.S. company for which no other form is authorized or prescribed....Read more
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