Patent litigation attorney
James Yang
2 tracked appearances — 1 plaintiff · 1 defendant.
Specialty & background
The provided case list for "James Yang" appears to encompass the patent litigation practices of two distinct attorneys with that name, based on their respective firm affiliations, educational backgrounds, and professional histories.
James Yang (formerly of Klein, O'Neill & Singh, now DANE IP Law PC)
This James Yang focuses on intellectual property law, with a strong emphasis on mechanical inventions. His practice includes patent strategy, patent prosecution, and patent litigation. He launched DANE IP Law PC in 2024, following a partnership at Klein, O'Neill & Singh LLP, which he joined in 2018.
In his tracked appearance, he represented the defendant in VPR Brands, LP v. XL Vape LLC et al., a patent infringement case concerning electronic cigarette technology. The lawsuit, filed in the U.S. District Court for the Central District of California, settled with XL Vape paying VPR Brands $155,000 and receiving a fully paid-up, royalty-free, non-exclusive license to the asserted patent. His technical background includes a B.S. in Mechanical Engineering from California State Polytechnic University in Pomona, and he gained experience in diverse mechanical engineering roles before his legal career. He obtained his J.D. from Loyola Law School in Los Angeles in 2003 and was admitted to the California Bar in 2004, as well as being registered with the United States Patent and Trademark Office. His practice also includes patent defense and enforcement.
James Yang (of Caldwell Cassady & Curry)
This James Yang is an associate at Caldwell Cassady & Curry, specializing in intellectual property litigation, including utility and design patents, trademarks, and trade dress. His experience spans a wide range of technologies, such as LTE/5G communications, consumer electronics, medical devices, beverage containers, furniture products, and media streaming and interactive guide technologies. He has experience handling cases at all stages of federal court litigation and has also handled U.S. Patent and Trademark Office (USPTO) trial proceedings and arbitrations.
He was an associate representing the plaintiff in Adeia Technologies Inc. et al. v. The Walt Disney Company et al., a high-profile patent infringement case filed in November 2024 in the U.S. District Court for the District of Delaware, asserting six patents related to streaming media delivery and interactive guide technology. This case resolved via a stipulated dismissal with prejudice in December 2025, suggesting a confidential licensing agreement. Additionally, he contributed to securing a $445.5 million patent infringement verdict for Collision Communications Inc. against Samsung Electronics Co. Ltd. and Samsung Electronics America Inc. in October 2025. He earned his J.D. from New York University School of Law in 2019, where he served as the Senior Notes Editor for the Journal of Intellectual Property and Entertainment Law, and holds a B.A. in Philosophy with minors in Physics and Psychology from New York University. He is admitted to the State Bar of California and several U.S. District Courts.
Firms
Roles
- Counsel1
- associate1
Cases (2)
- π plaintiffAdeia Technologies Inc. et al. v. The Walt Disney Company et al.Caldwell Cassady & Curry · associate
- Δ defendantVPR Brands, LP v. XL Vape LLC et al.Klein, O'Neill & Singh · Counsel