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How long does patent protection last?

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An invention patent is granted for a term which begins with the publication date of the grant and ends 20 years from the filing date of the patent application.

A utility model patent is granted for a term which begins with the publication date of the grant and ends 10 years from the filing date of the patent application.

A design patent is granted for a term which begins with the publication date of the grant and ends 15 years from the filing date of the patent application.

  • Publish Date:2020/09/11
  • Update: 2025/11/28
  • Organization:International & Legal Affairs Office
  • Views:1403
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