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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.
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).
Experience 2 results
Experience
|June 25, 2025
Winston Secures Federal Circuit Affirmance of 101 Victory for Polycom
Winston secured an appellate victory for Polycom (now part of HP) when the Federal Circuit affirmed a judgment on the pleadings of patent-ineligibility in a lawsuit brought by directPacket Research, Inc. Working closely with HP, Winston argued that all claims of the asserted patent were directed to the abstract idea of translation via an intermediate protocol, with no inventive concept. The Northern District of California agreed, and the Federal Circuit unanimously affirmed, adopting Winston’s arguments. Eimeric Reig argued the appeal, working with HP and the Winston team, including Kathi Vidal, Kelly Hunsaker, Sam Lerner, Matt McCullough, and David Dalke.
Experience
|January 16, 2024
Winston & Strawn represented The Honey Pot Company Holdings, LLC (“The Honey Pot Co.”), a leading better-for-you feminine care brand in connection with the acquisition of a controlling stake in the business by Compass Diversified (NYSE: CODI) ("Compass”). Compass and The Honey Pot entered into a definitive agreement for an enterprise value of $380 million (excluding working capital and certain other adjustments upon closing). The Honey Pot Co. will continue to be led by its current leadership team and existing owners and management will retain a significant minority stake in The Honey Pot Co.
Insights & News 221 results
Global Trade & Foreign Policy Insights
|October 15, 2025
|8 Min Read
Cari’s Legal Exchange: Regulatory Risks and Enforcement Realities — Part 1
In part one of Cari’s Legal Exchange, Cari Stinebower and partner and former U.S. Attorney for the District of Columbia Matt Graves discuss how companies can navigate evolving DOJ voluntary disclosure programs, the importance of compliance, and the growing focus on individual accountability in corporate investigations.
Benefits Blast
|October 13, 2025
|3 Min Read
IRS Finalizes Catch-Up Contribution Regulations
401(k) plans may allow employees aged 50 or older to make elective deferrals over the annual limit; these deferrals are known as “catch-up” contributions.
In the Media
|September 23, 2025
|2 Min Read
Kathi Vidal Discusses Gender Gap in Patents with MLex
Winston & Strawn partner Kathi Vidal was featured in a MLex article where she discussed the gender gap in patents, outreach efforts in the U.S. Patent and Trademark Office under her leadership as the former Director, and how the office can support women inventors. A 2022 study from the USPTO showed that office policy can help close the gap between men and women in the US patent system. The paper studied the effectiveness of the Pro Se Pilot Examination Unit (PSPEU), which provides additional communication and assistance to inventors attempting to prosecute a patent without representation.
Other Results 12 results
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Location
Launched in 2013, Winston & Strawn’s Silicon Valley office is home to nationally recognized attorneys that draw clients from Fortune 500 companies, startups, and everything in between. Led by Kelly Hunsaker—who has deep roots in Silicon Valley spanning nearly three decades—the office draws from the firm’s deep bench strength and global network of resources to serve clients in a variety of industries, including the semiconductor, computer hardware and software, telecommunications, life sciences, and pharmaceutical sectors. The office’s intellectual property attorneys have litigated extensively in all the top national patent litigation venues, as well as before the International Trade Commission and the Patent Trial and Appeals Board of the USPTO.