Sindy Ding-Voorhees is a counsel in the Greater China Brands team. She works primarily in our Seattle office and plays a very active role in the expansion and support of the Beijing office. She focuses her practice on trademark, copyright law, and fashion law-related matters, and she has extensive experience in creating brand protection strategies, managing trademark/copyright portfolios, and leading online and offline enforcement programs for the world’s renowned brands in Greater China. Her substantial experience with the full range of trademark and copyright issues in China, as well as her bilingual language skills (English and Mandarin Chinese), are dedicated to creating thoughtful brand expansion and protection strategies that adapt to the Chinese market and culture. She is uniquely positioned to bring a Western-style of law practice to solving problems and creating solutions working within a different civil code-based legal regime.

Sindy has substantial experience in addressing trademark infringement issues, pursuing contentious actions with the Chinese administrative bodies, and litigating civil infringement cases with Chinese courts. She not only helps her clients assess risks in every action, but focuses on prioritizing issues and developing big-picture strategies from both legal and business perspectives. She has obtained numerous favorable trademark decisions from the Chinese Review and Adjudication Board, and on appeal from the Beijing Intellectual Property Court. She has represented clients in high-profile, high-stakes trademark and domain name infringement litigation, and has obtained favorable rulings from the Supreme People’s Court of the PRC, Beijing Higher Court, and local Intermediate Courts.

Her experience with IP enforcement dates back to when she was in-house at one of the world’s leading apparel companies in New York. She has a deep understanding of both online and offline enforcement approaches in China and helped world-leading retail and consumer goods brands systematically combat counterfeiting issues through litigation and non-litigation resolutions.

Sindy was born and raised in China and received her education in China, France, and the U.S. Her native language is Mandarin Chinese and she is fluent in English and French. In her spare time, she is also a graphic designer and loves fashion design and art. She founded and is the co-director of the Fashion and Art Law Institute in China, which is the first academic center providing thought leadership and practical assistance on issues facing the fashion industry in China. She has also been invited to comment and publish articles on hot legal issues in trademark and fashion law issues in both the U.S. and China by leading fashion media, The Trademark Reporter and Chinese IP think tanks.

Sindy was recognized in 2025 and the four years immediately preceding as one of the "Best Lawyers: Ones to Watch" for Intellectual Property Law by The Best Lawyers in America®. She was recognized as a New York “Rising Star” in 2022, 2023 and 2024 for Intellectual Property by Super Lawyers magazine.

Charles Gray serves as Managing Partner for the firm's Shanghai office. Mr. Gray focuses his practice on patent counseling and prosecution of both U.S. and international patent applications. In addition, he has significant experience in providing patent invalidity and infringement analysis and drafting written opinions. He advises his clients on a wide range of intellectual property matters, including licensing negotiations.

Mr. Gray counsels his clients in a variety of technology fields, with a particular emphasis on computer networking, satellite, cellular, and other wireless communications, computer architecture, software systems and financial transactions.

Mr. Gray has an extensive Asian-area practice with a focus on Chinese patent counseling and prosecution. He has lived and worked in Asia and has extensive knowledge of Chinese patent practice and is also fluent in Mandarin Chinese. He is a guest lecturer at Fudan University in Shanghai, Hong Kong University and Tsinghua University in Beijing.

Prior to practicing law, Mr. Gray was a software engineer and project manager, where he developed adaptive language, music, and mathematics learning software. Mr. Gray also developed collaborative legal English learning software and program environments designed for Chinese judges and attorneys.

Mr. Gray was recognized as a top patent practitioner in 2024 and the four years immediately preceding by IAM Patent 1000 – The World’s Leading Patent Practitioners and in the 2021 and 2022 editions of IAM Strategy 300: The World's Leading IP Strategists. He was named a "Patent Leader" in 2023 and 2024 by World IP Review. Mr. Gray was recognized by The Best Lawyers in America® in 2023, 2024 and 2025 for Patent Law. He was named one of the "Top Patent Attorneys of 2023" by Patexia. Mr. Gray was also recognized as a Colorado "Rising Star" in the area of Intellectual Property by Super Lawyers magazine in 2013.

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