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Patent Litigation

For more than three decades, Morrison & Foerster has been routinely called upon to represent clients in their most high-profile patent litigations. Today, our deep bench of trial lawyers with substantive patent experience provides clients with a world-class litigation practice, able to address any issue regarding the protection of patents or other IP. Our 185 IP litigators include some of the top trial and appellate lawyers in the U.S. and Asia, where we regularly litigate highly complex cases involving cross-border matters, cutting-edge technologies and multiple-party disputes.

Clients laud our team for its excellent courtroom skills, the ability to analyze key issues in a case and develop novel solutions, and our depth of experience across industries. We have the distinguishing ability to handle issues of any complexity, in any venue, involving any technology. And leading third-party guides to the legal industry have taken notice: Our recent accolades include Chambers USA’s 2013 IP Firm of the Year, Law360’s 2013 IP Practice Group of the Year and U.S. News & World Report-Best Lawyers’ 2013 Law Firm of the Year for Information Technology Law, as well as being named one of three 2014 IP Litigation Powerhouses and a 2015 IP VIP by BTI Litigation Outlook.

Collaboration is the hallmark of the firm. Our clients benefit not only from the courtroom prowess of our litigators—and their ability to resolve disputes short of trial—but also from the experienced patent prosecutors and licensing specialists who bring their sophisticated technical insights to bear in shaping our winning litigation strategies. The firm’s highly collaborative culture and integration across practice groups is truly unique among law firms; we find this approach ensures that every matter is staffed with individuals with the most relevant experience, whether that’s in the courtroom or, when needed, with specialized technical training and/or licensing know-how. We draw on more than 50 lawyers, patent agents and scientific analysts with technical PhDs, and many more with experience as engineers and scientists in technical professions.

Additionally, we are one of a small number of U.S. law firms with a significant international IP litigation practice, and we are widely recognized as one of the strongest global IP litigation firms. The Asian Legal Business Japan Law Awards honored us again with its 2013 IP Law Firm of the Year award. Our Tokyo IP litigation team frequently appears in all of the U.S. federal district courts that handle high volumes of patent litigation, as well as in the U.S. International Trade Commission and the U.S. Court of Appeals for the Federal Circuit.

Law 360 - IP Practice Group of the Year
IP Practice Group of the Year


Chambers USA Winner 2013 - IP Firm of the Year
IP Firm of the Year


BTI Litigation Outlook
BTI Litigation Outlook
“IP VIP” (2015)
“IP Litigation Powerhouse” (2014)


MoFo was named Firm of the Year: Patent Prosecution by LMG Life Sciences 2013