Winston & Strawn LLP

Winston & Strawn has built a reputation as a trial lawyers’ firm. Our litigators are some of the most seasoned in the industry, bringing extensive courtroom experience to every matter our firm handles. Moreover, our long history of taking cases to trial – and winning – gives our clients tremendous settlement leverage with their adversaries, as well as confidence in a successful outcome if and when they go to trial. More than 25 of our attorneys have first-chaired multiple patent trials, and in the past 5 years we have taken 49 patent cases to trial.

National recognition

With approximately 150 attorneys, Winston’s patent litigation practice is one of the most active and highly regarded in the country. Most recently, our IP litigation practice was ranked in the first tier nationally by US News & World Report in its Best Law Firms survey, and Chambers USA selected our IP and International Trade Commission (ITC) practices for national rankings. Additionally, The National Law Journal selected Winston’s Chicago office as the 2016 Chicago IP Litigation Department of the Year (as it had previously in 2013), Texas Lawyer named Winston its 2016 Texas IP Litigation Department of the Year and Law360 named Winston’s litigation department one of the top 10 litigation powerhouses in the United States.

US district court litigation

Winston patent litigators regularly appear in all of the leading patent jurisdictions. For example, between 2013 and 2017 we handled more than 500 cases in 32 jurisdictions, including:

  • 150 cases in the Eastern District of Texas;
  • 145 cases in the District of Delaware;
  • 51 cases in the District of New Jersey;
  • 41 cases in the California courts; and
  • nearly 120 cases in other key jurisdictions, including the Northern District of Illinois, Eastern District of Virginia, Southern District of New York and the Southern and Northern Districts of Texas.

ITC litigation

CollectivelyWinston has more than 80 years’ experience litigating high-stakes patent infringement cases before the ITC. The firm’s experienced team comprises a number of attorneys who have first-chaired successful ITC trials, as well as a former ITC senior investigative attorney, a former ITC attorney adviser to the chief administrative law judge, a former US Court of Customs and Patent Appeals law clerk and a former US patent examiner. Our attorneys have the education and industry experience to immediately understand complex technology, a working knowledge of the specialised procedural law and the substantive experience to formulate and execute the strategies necessary to succeed at the ITC.

PTAB trials

Winston is ideally positioned for litigation before the Patent Trial and Appeal Board (PTAB) in proceedings such as inter partes reviews, covered business method patent reviews and post-grant reviews. Winston has significant experience litigating these proceedings successfully. Winston attorneys have appeared in more than 100 PTAB matters and tried several of the first cases to reach hearing.

Patent prosecution

Winston has an active patent prosecution practice that assists clients with the prosecution, development, maintenance and licensing of patent portfolios worldwide. Our patent prosecution attorneys typically file 100 to 150 US patent applications and obtain approximately 70 to 80 US patents annually. The firm’s scientifically trained attorneys and patent agents are experienced in the preparation and worldwide prosecution of patent applications pertaining to the traditional sciences, as well as in new and developing technologies. All of our patent attorneys have technical degrees in fields such as electrical engineering, computer science, physics, chemical engineering, chemistry, materials engineering and metallurgy.

Additional statistics about our patent practice include that:

  • more than 70 of our attorneys have technical degrees, and more than 30 are members of the Patent Bar;
  • more than 30 of our partners have first-chaired IP trials in various courts throughout the United States;
  • over the past five years, our attorneys have handled more than 500 patent cases and more than 100 Federal Circuit appeals; and
  • our ITC group has collectively appeared in more than 80 Section 337 ITC investigations.

Contact details

Winston & Strawn LLP
35 West Wacker Drive
Chicago IL 60601-9703
United States

Professional contacts

Other offices

  • Brussels
  • Charlotte
  • Chicago
  • Dallas
  • Dubai
  • Hong Kong
  • Houston
  • London
  • Los Angeles
  • Moscow
  • New York
  • Paris
  • San Francisco
  • Shanghai
  • Silicon Valley
  • Washington DC