International Patent Application – Conpak CPA Limited

International Patent Application

The patents are granted by the national patent office of respective country. An applicant who wants to be granted multinational patents may make application for a regional patent under the "Paris Convention" or with any other regional patent organisations (such as the European Patent Office, the Eurasian Patent Organisation, African Intellectual Property Organisation, etc.). An applicant may also apply for an international patent under the "Patent Cooperation Treaty" (PCT) administered by the World Intellectual Property Organisation. In addition, in order to assist an applicant making an exact application according to his market expansion plan, Conpak also provides service for patent registration in many overseas countries and regions.

Types of Application

Different countries and regions have different categorisation for patents. For example:

  • China:Invention Patent, Utility Model Patent and Design Patent
  • Hong Kong:Standard Patent, Short-term Patent, Registration of Design
  • The United States:Utility Patent and Design Patent
  • Japan:Invention Patent, Utility Model Patent and Design Patent
  • Europe: European Patent and Design Patent

Required Information and Documents

  • Application form
  • Name of the invention
  • Name and address of the applicant
  • Name and address of the inventor or designer
  • Type of patent
  • The application date and the application number of the international stage and the type of patent (if applicable)
  • Power of Attorney
  • Patent documents *

Application Procedures

  • Determination of Application Types
  • Submission of Application (International stage)
  • International Search and Examination
  • Submission of International Application (National stage)
  • Acceptance of Patent
  • Issuance of Certificate

Maximum Validity Period

It varies with each country and region. Generally, the duration is 20 years for Invention Patent and 10 years for Utility Model Patent.

Patent documents* shall include:

  • Claim: describe the protection scope of the patented technology
  • Abstract: provide the outline of the key technical aspect of the patent
  • Specification: provide written details and features of the patented technology
  • Drawings: illustrate structures or details of the patent

Applications documents from the International application* include:

Applications documents from the International application* include:
  • Claim: it is the most important document among the patent documents and it describes the protection scope of the patented technology
  • Abstract: it provides the outline of the key technical aspect of the patent
  • Specification: it provides written details and features of the patented technology
  • Drawings: it illustrates structures and details of the patent by drawings

Should you have any enquires about International Patent Application, please complete the form below and we will reply to you soon.

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Mr. Ben Kwong
+852 2666 2858
Mr. John Lau
+852 2666 2859
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+852 2666 2850
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+86 10 5659 1186
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+86 21 5389 6615
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+86 21 5389 6668
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