China Patent Agent (H.K.) Ltd.

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Events Info Statistics 12-24 2025 CPA Participates in 6th Shenzhen-Hong Kong Collaborative IP Protection Salon 12-11 2025 CPA Participates in Business of IP Asia Forum 2025 12-08 2025 CNIPA Delegation Visits CPA Hong Kong Headquarters 11-14 2025 CPA Delegation Participate in Thematic Exchanges on Foreign-Related IP Services and Cooperation in the Context of AI 01-04 2026 CNIPA Publishes Statistical Analysis Report on Patents in Core Industries of Digital Economy 2025 01-04 2026 IP5 Patent Prosecution Highway (PPH) Pilot Programme Extended for Another Three Years 12-20 2025 SPC Publishes Draft Judicial Interpretation for Patent Infringement Disputes to Solicit Public Opinions 12-15 2025 World IP Day 2026 Celebrates the Theme of "IP and Sports: Ready, Set, Innovate!" 11-27 2023 Statistics of Geographical Indications (January - October, 2023) 11-27 2023 Statistics on Registration of Applications for Layout Designs of Integrated Circuits (January - October, 2023) 11-27 2023 Amount of Trademark Registrations and Valid Registrations from Domestic and Foreign Sources (October, 2023) 11-27 2023 Statistics of Trademark Oppositions (October, 2023) Practice Areas Patents

    ŸPrior art search and patentability study

    ŸDrafting and prosecution of application for patent

    (including Chinese, PCT, and foreign patent

    applications)

    ŸPatent reexamination and patent invalidation

    ŸPatent confirmation litigation

Trademarks

    ŸGeneral trademark-related consultation

    ŸPre-application search and registrability study

    ŸTrademark search, watch and advertising

    ŸTrademark registration application and renewal

    ŸTrademark opposition, review and adjudication, and administrative

    litigation

Legal Affairs

    ŸPatents and Trademarks

    ŸCopyright and Computer Software

    ŸUnfair competition and trade secrets protection

    ŸTech-Trade

    ŸMiscellaneous legal services

Professionals Service Area Patent Trademark Legal Services Technology Manufacturing & Industrials Automotive, Transportation & Logistics Optics & Instruments Healthcare Tech Clean Energy & Advanced Materials Consumer Goods & Smart Tech Computer and Network Technology Communication Artificial Intelligence and Big Data Semiconductors and Microelectronics Image Processing Optoelectronic Technology Electrical Engineering Electronic Engineering Chemical Engineering Inorganic materials and Polymer materials Pharmaceuticals and Pesticides Biotechnology and Life sciences Cosmetics and Food Hot Search：Patent Attorneys（Mechanics & Designs ● Electronics & Electricity ● Chemistry, Biotechnology & Pharmaceutics） ● Trademark Attorneys ● Attorneys at law / Litigators Honours CPA Rated Top 10 Patent Firm in China 2025 by The Patent Lawyer In the Top 10 Patent Firms 2025 released by The Patent Lawyer magazine, China Patent Agent (H.K.) Lt CPA Assistant General Manager Named to IAM Strategy 300 Global Leaders 2026 China Patent Agent (H.K.) Ltd. (CPA) deputy general manager Mr. Xiong Yanfeng was again named to the Legal 500 Asia Pacific Continues to Rank CPA Top Tier IP Firm & Elects CPA Deputy General Manager Again to Hall of Fame In the recently released 2025 edition of The Legal 500 Asia Pacific rankings, China Patent Agent (H. WIPR China Rankings 2025 Name CPA an Outstanding Firm, CPA General Manager as Hall of Famer, and CPA Deputy General Manager and Senior Attorneys as Preeminent Practitioners In World Intellectual Property Review (WIPR)'s 2025 China patent rankings for law firms and lawyers. CPA Named Again by MIP as Firm of the Year for Patent Prosecution in China At MIP and asialaw's collaborative Asia Pacific Awards Ceremony 2025 held in Ho Chi Minh City on 6 N CPA Recognised as Leading Firm and CPA Deputy General Manager as Outstanding Practitioner in WIPR China Trademark Rankings 2025 In World Intellectual Property Review (WIPR)'s recently released 2025 China trademark rankings for l MORE Contact Us

  • Hong Kong

    Hong Kong

    22/F., Great Eagle Centre,

    23 Harbor Road,

    Wanchai,

    Hong Kong

    Tel : (852) 2828 4688

    Fax : (852) 2827 1018

    Email :

    [email protected]

    [email protected]

    [email protected]

  • Beijing

    Beijing Office

    CPA Tower,

    No. 46 Huayanbeili,

    Chaoyang District,

    Beijing 100029, China

    Tel : (86 10) 8220 2288

    Fax :(86 10) 6621 1564 (Patent)

    (86 10) 6621 1590 (Trademark)

    Email :

    [email protected]

  • Shenzhen

    Shenzhen Office

    12/F, Block One,

    China Phoenix Building,

    2008 Shennan Road,

    Futian District,

    Shenzhen 518026, China

    Tel : (86 755) 8275 5788

    Fax : (86 755) 8368 8269

    Email :

    [email protected]

  • Shanghai

    Shanghai Office

    23/F, Crystal Century Mansion,

    567 Weihai Road,

    Jing'an District,

    Shanghai 200041, China

    Tel : (86 21) 5203 1399

    Fax : (86 21) 6288 3922

    Email :

    [email protected]

  • New York

    New York Office

    China Patent & Trademark

    Agent (U.S.A.) Ltd.

    39 Broadway, Suite 810,

    New York, NY 10006, U.S.A.

    Tel: (1 212) 809 8100

    Fax:(1 212) 809 8118

    Email:

    [email protected]

    　　　[email protected]

  • Tokyo

    Tokyo Office

    Rm 811,

    Burex Kyobashi Building,

    2-7-14 Kyobashi,

    Chuo-Ku, Tokyo 104-0031,

    Japan

    Tel: (81 3) 6263 2418

    Fax: (81 3) 6263 2417

    Email:

    [email protected]

  • Munich

    Munich Office

    Frauenstr. 32,

    80469 Munich,

    Germany

    Tel: (49 89) 228 9328

    Fax: (49 89) 228 9327

    Email:

    [email protected]

China Patent Agent (H.K.) Ltd.

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Headquarters

22/F, Great Eagle Centre, 23 Harbour Road, Wanchai, Hong Kong Tel： (852) 2828 4688 Fax： (852) 2827 1018 Email： [email protected] [email protected] [email protected]

  • Links China National Intellectual Property Administration (CNIPA) All-China Patent Attorneys Association (ACPAA) National Copyright Administration of the P.R.C. (NCAC) China Trademark Association (CTA) General Administration of Customs of the P.R.C. (GACC) China Intellectual Property Society (CIPS) Supreme People's Court of the P.R.C. (SPC) Patent Protection Association of China (PPAC) China Council for the Promotion of International Trade (CCPIT)

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