David Tian
An, Tian, Zhang & PartnersBeijing-based IP litigation boutique An, Tian, Zhang & Partners handles both administrative and civil litigation cases relating to patents, trade marks, copyrights and domain names. The firm assists domestic and overseas clients and has been steadily advising an increasing number of Japanese clients on patent issues. David Tian spearheads the practice and is an expert in enforcement and litigation matters, while Ruifeng Li is noted for his expertise in patent cases. Young Guo is the go-to for clients in the life sciences and chemistry industries requiring advice on patent prosecution and enforcement.
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Testimonials
Collated independently by Legal 500 research team.
‘Very professional advice’
‘The firm is a professional and experienced IP litigation boutique.’
‘I have worked with David Tian and Riufeng Li for many years and they stand out as experience professionals.’
‘It has the ability to investigate possible infringers, and propose strategies to crack down the infringers.’
‘Very quick response to clients' questions and requests with deep insight and strategic proposals from various aspects.’
Key clients
- Syngenta Crop Protection Ag
- Sysmex Corporation
- Pernod Ricard Group
- Totalenergies Se
- Virbac S.A.
- Gilead Sciences, Inc.
- Komatsu Ltd.
- Ami Paris
- Societe Civile Du Vignoble De Chateau Latour
- Bausch Health Companies Inc.
Work highlights
- Represented Syngenta Seeds (Beijing) Co., Ltd. in an appeal involving an infringement dispute related to a new plant variety.
- Represented Tsit Wing International Company Limited in a retrial of its trade mark administrative litigation, which was successfully defended.
- Represented Panasonic Corporation in a retiral litigation involving unfair competition disputes, successfully defending the client.
Lawyers
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Practice head
The lawyer(s) leading their teams.
David Tian