YI Ang

Lawyer / Patent Agent

Business expertise:

Experts in chemical industry

With dual qualifications of Chinese lawyer and patent agent, master's degree, Mr. YI is good at patent review invalidation, patent administrative litigation, patent civil litigation and patent infringement risk analysis in the fields of chemistry, chemical industry, materials and other fields of intellectual property.

Working experience:

Clients include PetroChina, Sinopec, Cofco, BYD, Tunghsu Group, Pangang Group, Midea, Tate & Lyle Ingredients Americas LLC, PQ Silica UK Limited, Nankai University, China University of Petroleum, Beijing University of Chemical Technology, etc.

Typical Cases:

1. Mr. YI is good at patent authorization dispute cases. He once represented a large petrochemical company in the review of the refusal of the invention patent. The Patent Reexamination Board finally adopted Mr. YI’s opinion, revoked the refusal decision, and the patent was authorized.
2. Mr. YI is good at providing overall services. He once provided an analysis scheme of patent infringement risk for an investment limited company to help the company master the patent situation of competitors in the industry and avoid the risk of infringement.
3. Mr. YI is good at patent litigation negotiation. He has represented several patent protection and litigation cases, helping clients reach a settlement with plaintiffs and avoid high compensation.