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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
We routinely help clients protect and commercialize their intellectual property (IP) assets and provide due diligence on complex technology and IP transactions. We negotiate and draft IP licenses and transfers; provide strategic guidance on optimal structures for IP and IT transactions; and evaluate copyright, trademark, and patent portfolios and provide related due diligence activities in connection with IPOs, mergers and acquisitions, private equity investments, licenses, and other corporate transactions.
Practice Area
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.
Experience 41 results
Experience
|July 17, 2025
D. Boral Capital Closes US$15M Robot Consulting IPO
Winston & Strawn LLP represented D. Boral Capital LLC and Craft Capital Management LLC in connection with the US$15M initial public offering of American Depositary Shares (ADSs) of Robot Consulting Co., Ltd. The offering consisted of 3,750,000 ADSs priced at $4.00 per ADS, and the company’s ADSs began trading on the Nasdaq Capital Market under the ticker symbol “LAWR” on July 17, 2025.
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
|May 15, 2025
Winston Secures Federal Circuit Victory for Snap Axing Image-Presentation Patents on the Pleadings
Ask Sydney sued Snap along with four large tech companies in the Western District of Texas, Waco Division, asserting infringement of two related patents on methods of generating and presenting images to a user to determine the user’s interest. Working closely with Snap, Winston successfully moved to transfer the case to the Central District of California, then moved for judgment on the pleadings of patent-ineligibility under § 101 of the Patent Act. Following a hearing with multiple rounds of argument, the district court granted the motion, adopting Winston’s arguments that distinguished findings by the patent examiner during prosecution and by the Western District of Texas, which had denied § 101 motions brought by two other defendants. Ask Sydney appealed, but the Federal Circuit summarily affirmed three days after oral argument, handing Snap a decisive win invalidating all claims of both asserted patents. Eimeric Reig led the strategy and argued the appeal and motion hearing, working with Kathi Vidal and Kelly Hunsaker.
Insights & News 4,259 results
Sponsorship
|November 20, 2025
Winston & Strawn Sponsors 2025 Smart Business Dealmakers South Florida M&A Conference
Winston & Strawn is proud to sponsor the upcoming Smart Business Dealmakers South Florida M&A Conference. The conference brings together hundreds of local dealmakers, including middle-market CEOs, top investors and lenders, and leading M&A advisers.
Sponsorship
|November 12, 2025
Winston & Strawn Sponsors 2025 Smart Business Dealmakers Houston M&A Conference
Winston & Strawn is proud to sponsor the upcoming Smart Business Dealmakers Houston M&A Conference. The conference will discuss topics ranging from raising capital to alternative asset investing, covering the breadth of the M&A landscape.
Sponsorship
|October 27, 2025
Winston & Strawn Sponsors Tokyo Forum on U.S. Capital, Digital Assets, and AI Innovation
Winston & Strawn is proud to sponsor the upcoming Beyond Borders, Beyond Markets Tokyo Forum on U.S. Capital, Digital Assets, and AI Innovation. This event brings together global investors to explore the future of finance—from IPO strategies to AI’s role in capital markets. The forum will discuss the nuances of going public in America and offer key considerations for capital access and enhanced liquidity.
Other Results 63 results
Law Glossary
What Is the Patent Trial and Appeal Board?
The Patent Trial and Appeal Board (PTAB) is a tribunal within U.S. Patent and Trademark Office. The PTAB oversees trial proceedings, namely: inter partes review (IPR), post-grant review (PGR), covered business method (CBM) review, and derivation proceedings. The Board also hears appeals from adverse patentability decisions by patent examiners in original applications, reissues, and reexaminations. And, while phasing out since the passage of the America Invents Act (AIA) in 2011, the PTAB is also responsible for deciding interferences. The PTAB was previously referred to as the Board of Patent Appeals and Interferences and was renamed by the AIA.
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.
Site Content
What Is Uniform Grant Guidance?
In 2014, the Federal Office of Management and Budget (OMB) issued Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards to Non-Federal Entities, commonly known as the Uniform Grant Guidance. The Uniform Grant Guidance is a government-wide, authoritative set of rules and requirements for federal awards intended to guard against the risk of waste, fraud, and abuse while reducing the administrative burden for non-federal entities receiving federal awards.