About Us
Becoming one of the most
reputable IP law firms in China
Cheng & Peng Intellectual Property Law Office was founded in May 2013 in Beijing, China, as a boutique intellectual property (IP) law firm. Our goal is to become a world-class firm.
We provide a full range of IP legal services, including prosecution, opposition, invalidation, litigation, and licensing of patents and trademarks. Additionally, we offer freedom-to-operate (FTO) analyses, due diligence, patent valuation, and IP management consulting. Our team has expertise across a wide range of technical fields, including mechanical engineering, electronics, chemistry, and biotechnology. We work in Chinese, English, Japanese, and German languages.
Our firm currently has around 30 employees, including 12 patent attorneys, 4 trademark agents, and 7 professionals with legal qualifications.
Cheng & Peng was founded in
Established cooperative relationship
Total cases
Patent drafting and prosecution; Patent reexamination, invalidation and administrative litigation; Patent infringement litigation and customs protection.
Explore moreTrademark registration, renewal, opposition, review, and administrative litigation;
Trademark infringement litigation.
Copyright and computer software registration;
IP due diligence;
Translation of technical and legal documents.
162025/05
Cheng & Peng IP Law Office Recognized in Asia IP’s 2025 China Patent IP Portfolio Management Rankings
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092025/05
Cheng & Peng IP Law Office Recognized in Asia IP’s 2025 China Patent Enforcement Rankings
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102025/04
Mr. Xinmin Sun Joined Cheng & Peng
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082025/04
Cheng & Peng IP Law Office Recognized in Asia IP's 2024 China Patent Prosecution Rankings
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