China International Patents Rankings 2025

Fish & Richardson

Firm overview:

Fish & Richardson is a premier global IP law firm founded in 1878 and headquartered in Boston. Its Shenzhen office, established in 2019, serves as a strategic hub for the firm’s IP services in China. The team specialises in comprehensive patent prosecution, counselling, and litigation services for Chinese clients seeking protection and enforcement of their IP rights in the US, Europe, and globally.

Fish attorneys help domestic businesses in the telecoms, electronics, fintech, life sciences and medical device industries obtain patent protection before forums such as US federal courts, the International Trade Commission (ITC) and Patent Trial and Appeal Board (PTAB).

Team overview:

The team is led by Ryan McCarthy, principal and chief representative in Shenzhen. McCarthy offers comprehensive patent counsel covering prosecution, litigation, post-grant proceedings, opinions, due diligence, strategy, portfolio management, licensing, and related transactions. Additionally, his expertise focuses on emerging technologies such as blockchain, AI, augmented and virtual reality, and advanced machine learning.

McCarthy is supported by Yong (Eric) Peng, one of the co-founders of Fish & Richardson’s Shenzhen office who specialises in creating durable patents designed to withstand the test of litigation for Chinese and global clients. Bilingual in Mandarin and English, he helps Chinese clients achieve their IP and business objectives by bridging cultural gaps and providing consultation, strategy development, opinion work, and litigation due diligence. Peng has acted as technical and legal counsel on over 30 patent lawsuits in the US since 2011, representing both patentees and defendants.