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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.
Experience 114 results
Experience
|July 17, 2025
Experience
|June 25, 2025
Winston Secures Federal Circuit Affirmance of 101 Victory for Polycom
Insights & News 4,623 results
Sponsorship
|September 18, 2025
Winston Sponsors New York Office Leasing & Asset Management Conference
Winston is proud to sponsor the upcoming New York Office Leasing & Asset Management Conference. This event will discuss actionable strategies in the evolving New York City commercial landscape as well as leasing trends, asset upgrades, and key submarkets driving demand.
Recognitions
|August 21, 2025
|1 Min Read
Winston Attorneys Recognized in The Best Lawyers in America® 2026
The 32nd edition of The Best Lawyers in America® 2026 includes 143 Winston & Strawn attorneys. The outlet identifies award winners by conducting and compiling exhaustive peer-review surveys. During this process, tens of thousands of leading lawyers confidentially assess their professional peers.
Webinar
|August 21, 2025, 12:00 PM E.T.
Join our Financial Services Industry Group for a webinar focused on the key points in President Trump’s debanking executive order and recent debanking-related changes to the regulatory landscape. They will discuss expectations for debanking-related regulation and enforcement in the near future, as well as practical steps for financial institutions to manage associated risks and reduce the chances of becoming involved in debanking investigations. This webinar is part of a series covering the latest developments affecting our financial services clients.
Other Results 67 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.
Site Content
What Is Trademark Infringement?
Trademark infringement is defined as the unauthorized use of a trademark or service mark. This use can be in connection with goods or services and may lead to confusion, deception, or a misunderstanding about the actual company a product or service came from. Trademark owners can take legal action if they believe their marks are being infringed. If infringement of a trademark is proven, a court order can prevent a defendant from using the mark, and the owner may be awarded monetary relief.
Site Content
The United States Patent and Trademark Office refers to a trade secret as a type of intellectual property. This definition of trade secret is in reference to the business ownership of a formula, pattern, compilation, program, device, method, technique, or process that provides a competitive edge. As a member of the World Trade Organization, the U.S. government has a responsibility to protect trade secrets. The passage of the Defend Trade Secrets Act of 2016 (DTSA) also increased trade secret protection. Under the DTSA, an individual or organization may be found liable in a civil case for the misappropriation of trade secrets.