Patent litigation attorney
Li Zheng
4 tracked appearances — 1 plaintiff · 3 defendant.
Specialty & background
Li Zheng is a Director in the Intellectual Property Practice Group at Duane Morris & Selvam LLP, based in the firm's Shanghai office, a position he assumed in May 2024. His practice is dedicated to U.S. patent law, encompassing patent prosecution, patent litigation, and patent invalidation. Dr. Zheng brings a robust technical background with a Ph.D. in electrical engineering and is a named inventor on U.S. patents related to wireless communications, which informs his focus on technologies such as RF chips, semiconductors, and wireless front-end modules, as evidenced by his case work. He also handles IP disputes related to cross-border e-commerce.
Li Zheng's litigation experience spans both plaintiff and defendant sides in complex patent disputes. He has represented Chinese companies in U.S. federal district court litigation and U.S. International Trade Commission (ITC) Section 337 investigations. Notably, he was part of the Duane Morris & Selvam team that successfully defended Grand Chip Labs Inc. and Kangxi Communication Technologies (Shanghai) Co., Ltd. in Skyworks Solutions, Inc. et al. v. Grand Chip Labs Inc. et al., leading to an ITC Initial Determination of no infringement and Skyworks' subsequent withdrawal of all claims in both the ITC and related district court proceedings. In a related action, Kangxi Communication Technologies (Shanghai) Co., Ltd. v. Skyworks Solutions Inc., he also appeared on the plaintiff side. His experience includes managing patent portfolios and providing legal opinions for a range of clients from startups to multinational corporations.
While his primary litigation experience highlighted involves district court and ITC proceedings, Dr. Zheng's practice areas include patent invalidation, indicating experience with PTAB proceedings. He was involved as counsel in IPR2025-00373, an IPR filed by Kangxi Communications Technologies (Shanghai) Co., Ltd. against Skyworks Solutions, Inc.
Dr. Zheng is admitted to practice law in North Carolina and is a registered U.S. Patent and Trademark Office (USPTO) attorney. He also held a legal practicing certificate in the PRC. He earned his Ph.D. in Electrical Engineering from the University of Delaware in 2011 and a Juris Doctor (J.D.), cum laude, from North Carolina Central University School of Law in 2017. Prior to Duane Morris & Selvam, his career included roles at King & Wood Mallesons, Morgan, Lewis & Bockius LLP, and Womble Bond Dickinson (US) LLP.
Firms
Roles
- Lead Counsel1
- Director1
- China-side lead1
- coordinating counsel (ITC defense)1
Cases (4)
- Δ defendantKangxi Communication Technologies (Shanghai) Co., Ltd. v. Skyworks Solutions Canada, Inc.Duane Morris & Selvam · coordinating counsel (ITC defense)
- π plaintiffKangxi Communication Technologies (Shanghai) Co., Ltd. v. Skyworks Solutions Inc.Duane Morris & Selvam · Director
- Δ defendantSkyworks Solutions Canada, Inc. et al. v. Kangxi Communication Technologies (Shanghai) Co., Ltd. et al.Duane Morris & Selvam · China-side lead
- Δ defendantSkyworks Solutions, Inc. et al. v. Grand Chip Labs Inc. et al.Duane Morris & Selvam · Lead Counsel