Founded in 2002, Chofn IP is now one of China’s leading full-service IP law firms, with offices in Beijing, Chengdu, Hangzhou, Shenzhen, Chongqing, Guangzhou, Wuhan, Changsha, Nanjing, Tianjin, Suzhou, Nanjing, Qingdao and Shanghai. We are a committed provider of prompt and practical IP resolutions, including strategic IP consultation, prosecution, enforcement, litigation and management of corporate portfolios, to our clients of all sizes in various industries. Apart from this, anti-counterfeiting is another spotlight, featuring a robust approach dealing with pirating “yielding results” and demonstrating “great strength”. Therefore, our expertise and rich experience facilitate our professionals to actively practicing on the frontier of IP legal industry.
Now, we have over 800 experienced practitioners, including patent attorneys, patent engineers, trademark attorneys, IP lawyers, advisors and consultants, all of whom are outstanding graduates from prestigious universities in China and abroad with Doctor or Master’s degree. Some attorneys received IP law practice training both in China and in other western countries. In particular, Mr. Stephen Yang graduated from Tsinghua University with double bachelor's degrees in mechanical engineering and industrial engineering in 1997 and from University of Toronto with master's degree in mechanical and industrial engineering in 2004. Stephen studied US patent law in the USA in 2005. Stephen passed the Chinese National Patent Bar in 1999 and is experienced in patent search, drafting, prosecution, reexamination, invalidation and litigation in a wide variety of technical fields, particularly general machines, energy, electronics and hi-tech areas and has extensive experience in design patent practice. Stephen often lectures to local and international companies on corporate IP strategy and portfolio management on different occasions. He has published many articles in such international magazines and journals as The Asian Lawyer, IP Protection in China, Asia IP, WIPR, IPPRO, Intellectual Property Magazine, and China IP Focus. Stephen co-authored the book IP Protection in China published by American Bar Association (ABA) in 2015.
Stephen is very active in international organizations and is a member of the All-China Patent Agents Association (ACPAA), AIPPI China, LES China, and Association of Intellectual Property Firms (AIPF). Mr. Binglin Li has a distinguished career in IP laws since 1996 and has rich experience in patent prosecution, invalidation and litigation with main focus on chemical, biotech and mechanical field. And he has been member to All-China Patent Agents Association (ACPAA) and International Association for the Protection of Intellectual Property (AIPPI). Mr. Songsheng Ge used to be a mechanical Patent Examiner of the Chinese Patent Office from 1983 through 2005. Mr. Xiangyun Jin graduated from Changchun University of Science & Technology. Mr. Jin was granted Bachelor of Engineering in Optical Technology and Precision Instrument in 1994. In 2003, he graduated from Osaka Prefecture University and was granted Master of Engineering in Mechanics. Mr. Jin’s practice covers patent search, infringement analysis, drafting, prosecution, reexamination, invalidation and litigation for invention, utility model and designs, in a variety of technical fields, such as photo-electricity, mechanics, semi-conductor and electro-telecommunication, especially in sensor, image processing, transmission, display, computer technology, internet and home appliances. He is a frequent lecturer for clients and legal practitioners in an effort to do face-to-face discussion about key cases and promptly provide solutions about application strategies and practice tips, thus highly evaluated by customers.
Mr. Jin is chief translator of Introduction to the Patent Law of China (Abridged) published in Japan in 2015 and has also published many papers. Mr. Tingxi Huo, Chofn Partner and member to the MARQUES China Team and INTA Enforcement Committee, has been listed in WTR 1000 trademark attorneys as well as Asia IP experts for delivering “prompt and commercially sound advice”.
Prompt & Practical Services
Chofn quickly expands its coverage in IP litigation and represents increasingly lawsuits in China. In terms of patent, Chofn has established a strong team of 100 capable attorneys and supporting staff to ensure our prompt reaction to our clients’ requests. In 2013, Chofn takes the lead in China’s new trademark application with a total of 30,000 new trademark applications, ranking No. 1 in China. Chofn is always ready to tailor our services to our clients’ specific needs. We aspire to help our clients to be more successful.
Chofn’s prompt and practical services have been highly commented by our clients, associates, and professional associations alike. Chofn has been named the Chinese Trademark Agency of Excellence by the China Trademark Association (CTA), conferred the title of one of China’s leading trademark contentious firms by Managing Intellectual Property (MIP) and listed into WTR 1000 since 2013, when we were commented as “extremely reliable for prosecution” and “excellent service levels and proactivity to smooth the way through the trademark registration process”. With our prominent achievements and an enthusiastic team, Chofn has become a high-volume IP filer while presenting more and more international forums and organizations. Chofn is now member of various international organizations, including INTA, AIPF, AIPPI, ACPAA, CTA, ECTA and MARQUES.