Brian Christopher Claassen

Brian Claassen is a partner in Knobbe Martens’ Orange County, California office. His practice emphasizes electrical engineering patent litigation. He also represents clients in other intellectual property matters including those involving patents, trademarks, trade secrets, trade dress and copyrights. Mr. Claassen is immersed in all stages of high stakes litigation in federal courts throughout the country and before the International Trade Commission. He has obtained favorable results for plaintiffs and successfully defended clients against infringement allegations, including negotiating early settlement, arguing motions, prevailing on motions for summary judgment, and conducting jury trials. Mr. Claassen is also a registered patent attorney. He has prepared and prosecuted patent applications in a variety of technologies, including electronics, computer software, medical devices, unmanned aerial vehicles, game controllers, ophthalmic devices and methods, and surf craft. Mr. Claassen also counsels clients regarding intellectual property licenses, open source software issues, and domain name disputes. In 2011, Mr. Claassen was selected to conduct multiple jury trials, motions, and felony preliminary hearings as first chair trial attorney with the Orange County District Attorney's Trial Attorney Partnership program. Prior to joining the firm, Mr. Claassen developed embedded systems and signal processing devices as a Senior Software and Hardware Engineer at QSC Audio Products, Inc. Mr. Claassen worked as a summer associate with the firm in 2006. He joined the firm in 2007 and became a partner in 2013.