Welcome to the official website of China Science Patent & Trademark Agent Ltd!

Liyan ZHANG

Liyan ZHANG

Chairman of the Board
Senior Partner
Patent Attorney
Authorized Patent Litigator
Doctor of Judicial Science

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Jian LIU

Jian LIU

Vice President
Senior Partner
Patent Attorney
Legal Professional Qualification Certificate

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Jiquan SUN

Jiquan SUN

Board Member
Senior Partner
Patent Attorney
Authorized Patent Litigator
Legal Professional Qualification Certificate

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Xu WANG

Xu WANG

Senior Partner
Patent Attorney
Authorized Patent Litigator
Legal Professional
Qualification Certificate

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