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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
Trial skills matter—even in a world where few disputes ever see the inside of a courtroom. Winston has built a reputation as a trial lawyers’ firm, featuring seasoned litigators who leverage extensive courtroom experience to meet our clients’ business and legal objectives. Our long history of taking cases to trial—and winning—provides our clients with tremendous settlement leverage with their adversaries, as well as a substantial likelihood of a favorable resolution if, and when, they go to trial.
Practice Area
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.
Experience 69 results
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 6, 2026
Brightwood Capital’s Acquisition of Museum of Illusions Group
A team led by Bradley Vaiana and Austin Leach represented Brightwood Capital Advisors, LLC (“Brightwood”), a New York–based investment firm, in its acquisition of Museum of Illusions Group, the world’s largest privately held chain of museums, from Invera Capital Partners. As part of the transaction, five previously franchised locations will transition from the chain’s largest franchisee, LOL Entertainment, to become corporate-owned sites. Winston attorneys across multiple practice areas and offices, including M&A, Tax, Intellectual Property, Employee Benefits, and the firm’s UK office, assisted in structuring a complex cross-border transaction to support Brightwood's fund investment goals. The acquisitions were completed on January 6, 2026.
Experience
|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, Jeanifer Parsigian, and Danielle Williams were recognized by American Lawyer with its top “Litigator of the Week” honors on December 19, 2025, for this historic settlement.
Insights & News 5,205 results
Press Release
|February 5, 2026
|1 Min Read
Winston & Strawn Appoints Brett Johnson as Co-Chair of Litigation Department
Chicago – February 5, 2026 – Winston & Strawn LLP today announced the appointment of Brett Johnson as Co-Chair of the firm’s Litigation Department, serving alongside Linda Coberly, who assumed the role in 2024. Together, they will guide the continued growth and strategic direction of the firm’s world-class litigation practice.Brett previously served as Litigation Office Head in Dallas and will continue in his role as Co-Office Managing Partner of the Dallas office. With a focus on trials and arbitration of high-risk, complex matters, Brett’s practice emphasizes all aspects of intellectual property and complex commercial litigation, including patent, trade secret, unfair competition, consumer class actions, and breach of fiduciary duties. “Brett is a gifted storyteller and advocate with extensive trial experience and, together with Linda, exemplifies the excellence and collaborative leadership that define our Litigation Department,” said Chairman Steve D’Amore. “We are excited to see them lead the department as the firm continues to expand our litigation services to clients globally.”
In the Media
|February 5, 2026
|1 Min Read
Winston & Strawn partners Brett Johnson and Jordan Klein were featured in a Texas Lawyer article where they discussed their recent elevation to co-managing partners of the firm’s Dallas office.
In the Media
|February 5, 2026
|1 Min Read
Laurens Wilkes Discusses Rise in Disputes with Infrastructure Investor
Winston & Strawn partner Laurens Wilkes was quoted in Infrastructure Investor to discuss litigation risks and a rise in disputes across the infrastructure space. When combined with rising inflation, more expensive capex, and a concentration of infrastructure spending in fewer, larger projects, some are seeing disputes climb up the list of concerns.
Other Results 123 results
Law Glossary
What Are the Patent Litigation Differences Between the BPCIA and Hatch-Waxman Act?
There are fundamental differences between the abbreviated approval processes to obtain FDA approval for biosimilars and generic drugs as those processes relate to patent litigation.
Law Glossary
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.
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