Yuanyi Sun
Guizhou Zhengheng Law Firm · Qiandongnan
Yuanyi Sun helps foreign brands secure and enforce trademarks in China, including opposition, invalidation, and anti-...
Practice area · China
Intellectual Property Lawyers in China
Patents, trademarks, copyright, and trade secrets — enforcement and registration.
52+listed lawyers
5sub-specialties
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Overview
Practice orientation
Find IP lawyers for trademarks, patents, copyright, trade secrets, and unfair competition. China is a first-to-file trademark jurisdiction; early filing reduces brand risk. Enforcement may combine civil suits, administrative action, and customs recordation.
Start with the IP law guide, then filter by specialty.
Legal context
Process, issues, and further reading
IP protection stack
- Trademark clearance and first-to-file registration (CNIPA) before launch or manufacturing.
- Patents / utility models / designs for technical and product protection.
- Copyright and software deposit where useful for evidence.
- Trade-secret programmes: access control, NDAs, and supplier NNN agreements.
- Enforcement: civil suits, administrative raids, and customs recordation for counterfeits.
Key PRC sources (illustrative)
- Trademark Law of the PRC (rev. 2019) — first-to-file registration and bad-faith filings.
- Patent Law of the PRC (rev. 2020) — invention, utility model, and design patents.
- Copyright Law of the PRC (rev. 2020) — works and software protection.
- Anti-Unfair Competition Law of the PRC (rev. 2019) — trade secrets and passing-off.
Guides: IP law guide · trademarks · patents.
Directory
Lawyers
Li Zhang
Anhui Boli Law Firm — Anqing Office · Anqing
Li Zhang is an intellectual property attorney in Anqing, Anhui, specializing in trademark registration, trademark enf...
Siyu Huang
Nanping Zhengyi Law Firm · Nanping
Siyu Huang is an intellectual property lawyer in Nanping, Fujian, specializing in trademark registration, brand prote...
Tuohuang Long
Sichuan Lilv Law Firm · Meishan
Director of Sichuan Lilv Law Firm in Meishan. Certified family law specialist and trademark attorney with thousands o...
Chuancheng Chai
an Law Firm · Jiangbei
Chuancheng Chai is an intellectual property attorney at Chongqing Tong'an Law Firm, Jiangbei District, specializing i...
Chunlin Deng
Hunan Yuntian Law Firm · Loudi
Chunlin Deng is a Loudi-based intellectual property lawyer at Hunan Yuntian Law Firm. He serves as director of the Lo...
Jingfang Guo
Shandong Gongyun Law Firm · Jinan
Jingfang Guo is a Chinese lawyer based in Shandong with extensive experience. Call or message the attorney through th...
FAQ
Common questions
Register trademarks before launch?
Usually yes under first-to-file rules. Coordinate China filings with your global portfolio.
Do these lawyers work with foreign clients?
Many listed counsel assist foreign businesses and individuals. Check languages on each profile and request an English consultation when available.
What does a consultation cover?
Usually a short case assessment, whether China is the right jurisdiction, and practical next steps. It is not full representation; terms vary by lawyer.
Next step?
See the IP guide, then contact a specialist here.
Can't find the right lawyer?
Describe your matter or browse by city for more options.