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Haiyu Li

Key Details

Ms. Haiyu Li passed the Chinese bar in 2009 and obtained the lawyer's license in 2013. Before joining Chofn in 2013, Ms. Li worked in two other Chinese firms. Now, she is partner, trademark attorney and attorney-at-law at Chofn IP. Ms. Li advises on brand protection and strategy and is experienced in dealing with cases on copyright, domain name and unfair competition. She represents a wide variety of local, multi-national and foreign-owned businesses across a broad array of industries. Ms. Li serves on INTA's Bulletins Committee. She has contributed many articles to various IP media and has a flair for presenting complex topics in a way that is easily understood and makes sense from a business perspective.

Professional Highlights

Participation in Wider Community

Professional Affiliations

Haiyu has been engaged in IP protection since 2010 and she joined Chofn IP in 2013. Now, she is partner, trademark attorney and attorney-at-law at Chofn IP.

Having a working experience for more than 12 years, Haiyu has significant experience in managing global trademark portfolios and tackling thorny prosecution as well as litigation issues. Since Haiyu is a licensed lawyer in China, she can represent clients before the Courts. Such one-stop handling of prosecution and litigation cases make her better learn the whole pictures and deal with the cases in a more efficient manner. Haiyu represents a wide variety of local, multi-national and foreign-owned businesses across a broad array of industries and offers her clients strong and reliable IP support in expanding business in China.

Academic Affiliations

Company Latest

Updates, information and advice on non-use cancellation of Chinese trademarks
Typical punitive damages in IP cases
CNIPA releases guiding IP cases for administrative enforcement
Weeding out bad faith trademarks
How to defend OEM trademark use against non-use cancellation in China


Leader Profiles

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Haoyu Feng
Partner, Trademark Attorney, Attorney-at-Law   Ms. Haoyu Feng passed the Chinese bar in 2009 and has been working in Chofn IP since 2010. As a trademark attorney, attorney-at-law and partner, she has extensive experience in trademark prosecution, IP enforcement, and corporate IP strategy consulting. She has served many famous companies in the Chinese IP area. Ms. Feng is frequently invited to speak at industrial and legal events on various topics. She has contributed many articles to professional IP media and received high comments. Ms. Feng is a member of INTA's Famous and Well-Known Marks committee and a member of the China Trademark Association (CTA).   Chofn Intellectual Property
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Zhanqing Tang
Partner, Trademark attorney, Attorney-at-Law   Ms. Zhanqing Tang joined Chofn IP as a Trademark Attorney in 2013 after graduation. Ms. Tang is currently an attorney at law and partner at Chofn. Zhanqing's practice covers trademark prosecution and enforcement, copyright and domain name, customs protection, unfair competition, trade name & trademark dispute, etc. In particular, she has extensive knowledge about the trademark law and rich experience in all kinds of trademark disputes. What's more, she is good at explaining complex legal issues to clients with clear language. Zhanqing frequently participated in the policy dialogues held by the China National Intellectual Property Administration and the Courts concerning various topics (e.g., amendment of examination guidelines), which enables her to obtain information on the latest practices.   Chofn Intellectual Property
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Wenpei He
Trademark attorney, LLM   After obtaining her LL.M degree and finishing her practical training in the United States, Wenpei joined Chofn in 2013. Although she left Chofn for two years due to relocation, she came back to Chofn in 2018. With over 8 years of experience in this industry, Wenpei has in-depth and diverse knowledge and practice experience in all aspects of trademark and copyright prosecution and enforcement. Wenpei‚Äôs work focuses on trademark search, opposition, appeal against rejection, invalidation, etc. Besides trademark matters, Wenpei also provides services in respect of domain names and customs. She is able to provide exceptional professional service to clients. She has served many clients such as BBC, Thann, Okamoto, etc.   Chofn Intellectual Property
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Jia Li
Partner, Trademark attorney, LLM   Ms. Jia Li is a trademark attorney and partner of Chofn IP. She has considerable experience in trademark prosecution matters. Her practice covers trademark application, opposition, invalidation, corporate IP strategy and portfolio management to Customs border interception and copyright registration. The clarity of her advice always gives the clients a very clear road map, easy to understand and follow. Many clients have described her as giving 'fantastic assistance,' 'impeccable' with quality and consistency.   Chofn Intellectual Property


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