Kaiyuan Song

Senior Patent Attorney

Patent

Primary office

Beijing

Telephone

Practice focus

Patent

Experience

Mr. Song has been with East IP since 2007, with a professional background in civil and automotive engineering. Over the past 17 years, Mr. Song has accumulated extensive practical experience in a wide range of fields, including mechanical and electromechanical controls.

Mr. Song primarily focuses on patent issues related to Japanese patent applications being filed inbound into China or Chinese patent applications being filed in Japan, dealing with office actions (OA), reexamination, and various complex administrative actions. Mr. Song also actively participates in FTO investigations, EOU investigations, design infringement analysis, invalidation cases, and other complex aspects of IP in the patent area.

Work Highlights

Filed a request for declaration of invalidation relating to a patent on behalf of a Japanese client, and successfully invalidated the entire patent.
Filed a request for invalidation relating to a design on behalf of a Japanese client, and successfully invalidated the design.
Handled an invalidation case relating to a design on behalf of a Japanese client, and successfully defended client’s design patent in the action.

Education

Bachelor’s Degree, Civil Engineering, Shenyang Jianzhu University
Master’s Degree, Civil Engineering, Shenyang Jianzhu University

Admissions

Patent Attorney
ACPAA Recommended Patent Litigation Attorney

Languages

Mandarin Chinese (native)
Japanese (fluent)

Recent Insights

CNIPA 2025 IP Protection Work Plan

The China National Intellectual Property Administration (CNIPA) recently issued a 2025 Work Plan for Administrative IP Protection which contains provisions on strengthening protection....

CNIPA Calls for Further Standardizing Patent Application Drafting

CNIPA recently issued a document setting out recommendations to patent attorneys with respect to the drafting of patent applications....

Regulations on Resolving Foreign-Related IP Disputes

Premier Li Qiang signed a State Council decree unveiling a set of regulations on resolving foreign-related IP disputes....