Jonathan Lamberson

Jonathan Lamberson is a partner in the Global Intellectual Property Group based in the Firm's Silicon Valley office. As a trial attorney, Jon has attended jury trials in districts around the country representing clients in complex disputes involving patents, copyrights, trade secrets, product warranties, breach of contract, and other causes of action.  Jon served as lead trial counsel for Microsoft in Microsoft v. Corel, where a jury in the Northern District of California returned a verdict that Corel had wilfully infringed six Microsoft patents.  Jon also has experience with arbitration and in matters before the International Trade Commission.

Jon is also a firm expert on fair, reasonable and non-discriminatory ("FRAND" or "RAND") damages. Jon led the damages team in the Huawei v. T-Mobile litigation, which involved the assertion of twelve standards-essential patents relating to LTE technology. Jon is familiar with the practices of standards bodies including the Institute of Electrical and Electronics Engineers ("IEEE") and the European Telecommunications Standards Institute ("ETSI").

Jon also has a significant appellate practice, having briefed and argued several appeals.  He has worked on matters in the Federal Circuit, Fifth Circuit, Ninth Circuit, and U.S. Supreme Court.  Most notably, Jon wrote the en banc petition in Williamson v. Citrix, where the Federal Circuit significantly changed the law for means-plus-function claiming.

Jon has a significant post-grant practice as well. He is a member of the USPTO patent bar and has participated in multiple inter-partes review ("IPR") proceedings, arguing before the Patent Trial and Appeal Board (PTAB) on multiple occasions.

Finally, Jon has participated in a number of meaningful pro bono cases in areas including constitutional rights, discrimination, class action, and immigration matters. One of Jon's cases was named a Top 100 Settlement in California in 2017 by TopVerdict.com. In another matter, Jon was able to obtain asylum for a five-year-old unaccompanied minor from El Salvador who fled violence and persecution in his home country.

Jon holds the rank of kendo Nidan (二段).