Accompanying the launch of the Patent Law of the People's Republic of China, China Patent Agent (H.K.) Ltd. (CPA) was established in Hong Kong in March 1984 and is one of the three pioneer Chinese IP agencies. CPA provides comprehensive IP services to clients in China and abroad, with particular expertise in application prosecution, litigation, mediation, licensing, assignment, and counseling relating to various areas of IP including patent, trademark, copyright, domain name, and anti-unfair competition. CPA also prosecutes patent, trademark and design applications for clients in the Hong Kong SAR. Apart from its Hong Kong-based main office, the firm also has offices in Beijing, Shenzhen, Shanghai, New York, Tokyo and Munich.

As one of the most time-honoured IP agencies in China, CPA leads the industry in terms of excellence, diversity and scale of its corporate operation. It now has 550 staff members, including 230 patent attorneys, 34 trademark attorneys, and 85 attorneys-at-law. Its strength in IP practice lies in the powerful teamwork of its professionals, stemming from their extensive practicing experience, solid technical and academic background, intimate knowledge in IP-related laws of a wide range of countries and regions covering China, the United States, Japan and Europe, and proficiency in various working languages such as Chinese, English, Japanese, German, French, Korean and Cantonese. 

CPA has won trust and credit from its clients at home and overseas with its quality services. It has been named as the sole winner of China Patent Prosecution Firm of the Year by world's leading intellectual property rating magazine Managing Intellectual Property (MIP) for five consecutive years, and named as a gold band firm in patent prosecution in China by Intellectual Asset Management(IAM)for 12 consecutive years since the launch of the IAM Patent 1000 rankings twelve years ago.

Several of CPA’s attorneys were listed among Asia’s outstandinglitigators and the world’s leading patent law practitioners.

Guided by the philosophy of total commitment to the protection of its clients' IP rights, CPA has kept on striving to achieve the highest standard of professionalism and integrity. Every staff member at CPA appreciates very much the trust placed on them by the clients, and has been reaching out to provide them with trustworthy, efficient and comprehensive services. It will certainly be a great pleasure and honour of CPA to continue giving you this assurance of quality service in the days to come.