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CPTO is a certified agent dealing with intellectual property matters in China, including patents, trademarks, copyright, arbitration and litigation. Authorized by the State of Intellectual Property Office and State Administration for Industry and Commerce of P. R. China, CPTO specializes in the field of intellectual property law.

We have decades of experience in the field of intellectual property rights. This experience translates into expert advice for our clients and thorough protection and enforcement of their intellectual property rights. CPTO serves a broad spectrum of business and industry, both locally and internationally.

At CPTO, we value our relationships with each of our clients. We strive to meet and exceed our client's needs by proactively recognizing, defining and protecting our client’s intellectual property rights. CPTO works with you to create strategies in order to make the most of your precious time and money, while also managing risk. Our professionals have experience with complex trademark and patent laws, in all areas of trademark application and patent protection. Our expertise includes patentability opinions, drafting, prosecution, patent & trademark conflict, re-examination and litigation proceedings in China and around the world.

CPTO offers you advice on how to proceed logically and effectively. We strive to make the process of protecting your trademarks and inventions, and in turn, building your business in China as easy and cost effective as possible. In order to avoid complications and get the protection you seek, it is important to work with professionals who are erudite and passionate about trademark, patents, science, and technology and who understand your business. We are confident that we shall provide you with the best service possible.


CPTO – Add: Room 2518 Building A,No.1555 Kong Jiang Road,Yangpu District,Shanghai,China. Ph: 0086-21-55090237 沪ICP备2022026211号