Jaysen S. Chung is a partner in the San Francisco office of Gibson, Dunn & Crutcher and is a member of the firm’s Litigation department. He focuses on patent and appellate litigation, and has experience in a range of arts and practices, including pharmaceuticals, biotechnology, DNA sequencing applications, artificial intelligence, virtual networking, RF switch circuits, and semiconductor products and processes. Jaysen has experience in all phases of litigation from pre-suit due diligence to trial and appeal.
Jaysen was most recently part of a trial team that obtained a precedent-setting directed verdict of noninfringement in a Western District of Texas litigation that involved three patents related to cloud computing. He also was part of a trial and appellate team that secured a favorable result for a client in a multi-billion-dollar patent litigation involving a therapy for multiple sclerosis.
Jaysen has received several awards and accolades for his work. He was named a “2024 Top Attorney Under 40” by Law360 for Intellectual Property, and the Daily Journal named him as a 2024 Top Intellectual Property Lawyer. He has been recognized as a “Patent Star” and a “Rising Star” by Managing IP, and was named in Lawdragon’s 2023 and 2024 The Next Generation guides.
Jaysen serves as Co-Hiring Partner of the San Francisco office and is a member of the firm’s Hiring Committee.
Prior to joining the firm, Jaysen served as a law clerk to the Honorable Randall R. Rader, then-chief judge of the U.S. Court of Appeals for the Federal Circuit.
Jaysen received his J.D. from the University of Southern California Gould School of Law in 2011. He earned his B.S. in Psychobiology from UCLA in 2007 and was a member of the university’s 2005 NCAA Division I Championship tennis team.
Jaysen is currently admitted to practice law in the State of California and before the U.S. Court of Appeals for the Federal Circuit, the U.S. District Court for the Northern District of California, the U.S. District Court for the Central District of California, and the U.S. Patent and Trademark Office.
Capabilities
- Intellectual Property
- Appellate and Constitutional Law
- Artificial Intelligence
- Life Sciences
- Litigation
- Technology Litigation
- Trials
Credentials
Education:
- University of Southern California - 2011 Juris Doctor
- University of California, Los Angeles - 2007 Bachelor of Science
Admissions:
- California Bar
Clerkships:
- US Court of Appeals, Federal Circuit, Hon. Randall R. Rader