In unwavering pursuit of safeguarding and boosting your growth, we dedicate our resourceful and reliable services to your booming business. 

Yu Ren, LL.M.

  86 (10) 6268 0518
86 (10) 6268 0106


Mr. Ren is a dually qualified Chinese lawyer and patent attorney with a bachelor's degree from Tsinghua University and an LL.M. degree in Intellectual Property Law from the John Marshall Law School. He is one of the founding partners of IPfaith Partners. Prior to that, he was a senior patent attorney at a leading intellectual property law firm in China.

Mr. Ren has handled all aspects of patent right protection in business including drafting, prosecution, acquisition, enforcement, and licensing of patents. He has represented many multi-national corporations and start-up enterprises in patent litigations and invalidations against infringers and competitors all over China.

Mr. Ren has more than twelve years experience in the technical fields of mechanical engineering, including both automotive and railway vehicle, nuclear power plant, wind power generator, gas turbines, petroleum equipment, and optical devices, etc. He especially specialized in medical devices and instruments, such as MRI and endoscope. He was also the expert in paper machinery in his law firm. In the past nine years, Mr. Ren has persecuted hundreds of patent application in paper machinery field. Of every four patent applications entrusted by a market leader in the global paper machinery industry, Mr. Ren handled more than three of them. In the invalidation and litigation sector, Mr. Ren has also helped many clients in various technical fields, such as steel rolling, automotive, agricultural machinery as well as paper machinery, in a number of cases before the Patent Reexamination Board and the courts.

Mr. Ren has been working with German & European clients from both law firms and enterprises for more than ten years and is very knowledgeable in Chinese, German and European law & practices.

Mr. Ren is a native Chinese speaker with full professional proficiency in English and professional working proficiency in German, and is also a beginner in French. His knowledge of all the three official languages of EPO helps him a lot in patent literal researching and communications with the clients.


  •   Yu Ren. Discussion on the Judgment of Inventiveness [A]. In: ACPAA eds. Article 22 of the Patent Law - The Theory and Practice of Inventiveness [C]. Beijing: Intellectual Property Publishing House, 2012: 179-186.
IP Strategy
Patent Search & Analysis
Patent Trend Analysis
Patent Early-warning
Freedom to Operate (FTO) analysis
IP Due Diligence
Patent Mining & Deployment
Patent Application & Prosecution
Patent Reexamination
Patent Invalidation
IP Litigation
Patent Ownership Dispute
IP Evaluation & Transaction
IP Transfer, Licensing & Pledge
Patent Portfolio Management
Patent Annuity Payment
Application for Government Funding

Automotive Engineering
Gas Turbine
Magnetic Resonance Imaging
Mechanical Engineering
Medical Devices
Nuclear Power Plant
Optical Instruments
Paper Machinery
Solar & Wind Power Systems

LL.M., "with honors", Intellectual Property, The John Marshall Law School, 2010
B.S., Engineering Physics, Tsinghua University, 1998

Chinese Bar
Chinese Patent Bar

Mandarin Chinese, Native Speaker
English, Full professional proficiency
German, Professional working proficiency
French, Beginner