Ryan M. Nishimoto | People | Arnold & Porter

Ryan Nishimoto is an experienced litigator with significant success representing clients in high-stakes intellectual property and technology disputes. He regularly represents leading companies in technology-intense complex litigation relating to the enforcement and defense of patent, trade secret, copyright, and other intellectual property rights.

With a background in mathematics, Ryan's technical knowledge and litigation experience spans multiple high-tech industries for market-leading clients in a wide range of fields, including generative AI, consumer electronics, wireless and cellular networking, video games, medical devices, and e-commerce. He has litigated many cases in district courts across the U.S. involving computer software and hardware technologies, including the design and operation of mobile phones and tablets, large language models, human-computer interaction technology, graphics and video processors, memories, and displays.

Ryan also provides strategic counseling on a broad range of intellectual property, contractual, and competitive issues, particularly when it comes to navigating businesses through a broad array of legal issues presented by groundbreaking, emerging technologies.

Focus Areas

Experience

Anthropic, PBC (N.D. Cal.) in defending against copyright infringement claims involving the training of its large language models.
Simple Modern (D.N.J.) in defending against trade dress and patent infringement claims involving EVA foam totes.
Bruin Biometrics (Cal. Sup. Ct.) in defending against trade secret misappropriation claims brought by competing medical device manufacturers. Obtained jury verdict finding no damages.
Samsung Electronics Co., Ltd. (E.D. Tex.) in defending against patent infringement claims involving data storage, access restrictions, and display of digital media on smartphones, tablets, and smart TVs.
Samsung Electronics Co., Ltd. (D. Del.) in bringing patent infringement claims involving semiconductor manufacturing process against competitor.

Samsung Electronics Co., Ltd. (D.N.J.) in defending against patent infringement claims involving motion input and gesture recognition on smartphones.
Samsung Electronics Co., Ltd. (E.D. Tex.) in defending against patent infringement claims relating to self-healing networks.
Samsung Electronics Co., Ltd. (E.D. Tex.) in defending against patent infringement claims relating to "attentive" user interfaces.
Samsung Electronics Co., Ltd. (C.D. Cal.) in defending against patent infringement claims relating to LED construction and methods of improved light extraction.
PepsiCo, Inc. (S.D.N.Y) in defending against patent infringement claims involving beverage dispensing machines.
Cytiva (D. Del. & S.D.N.Y.) in bringing copyright infringement claims against competitor involving similarities in graphical user interfaces, as well as claims for patent infringement.
Hologic Inc. (D. Mass.) in bringing patent infringement action involving mammography technology. Obtained jury verdict of infringement.