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Patent Invalidation

 

 

 

1. Procedure
2. Grounds and Documents for Filing Invalidation Request

 

Procedure

  • "Where, starting from the date of the announcement of the grant of the patent right by the Patent Administration Department Under the State Council, any entity or individual considers that the grant of the said patent right is not in conformity with the relevant provisions of this Law, it or he may request the Patent Reexamination Board to declare the patent right invalid." (Chinese Patent Law, Article 45)

  • "The Patent Reexamination Board shall examine the request for invalidation of the patent right promptly, make a decision on it and notify the person who made the request and the patentee. The decision declaring the patent right invalid shall be registered and announced by the Patent Administration Department Under the State Council.

    Where the patentee or the person who made the request for invalidation is not satisfied with the decision of the Patent Reexamination Board declaring the patent right invalid or upholding the patent right, such party may, within three months from receipt of the notification of the decision, institute legal proceedings in the people's court. The people's court shall notify the person that is the opponent party of that party in the invalidation procedure to appear as a third party in the legal proceedings." (Chinese Patent Law, Article 46)

  • "Any patent right which has been declared invalid shall be deemed to be non-existent from the beginning.

    The decision declaring the patent right invalid shall have no retroactive effect on any judgement or ruling of patent infringement which has been pronounced and enforced by the people's court, on any decision concerning the handling of a dispute over patent infringement which has been complied with or compulsorily executed, or on any contract of patent license or of assignment of patent right which has been performed prior to the declaration of the patent right invalid; however, the damage caused to other persons in bad faith on the part of the patentee shall be compensated.

    If, pursuant to the provisions of the preceding paragraph, the patentee or the assignor of the patent right makes no repayment to the licensee or the assignee of the patent right of the fee for the exploitation of the patent or of the price for the assignment of the patent right, which is obviously contrary to the principle of equity, the patentee or the assignor of the patent right shall repay the whole or part of the fee for the exploitation of the patent or of the price for the assignment of the patent right to the licensee or the assignee of the patent right." (Chinese Patent Law, Article 47)

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Grounds and Documents for Invalidation Request

  • "Anyone requesting invalidation or partial invalidation of a patent right according to the provisions of Article 45 of the Patent Law shall submit the request and the necessary evidence in two copies. The request for invalidation, together with all the evidence submitted, specifically states the reasons on which the request is based and the proofs each of the reasons is based on.
  • The reasons on which the request for invalidation is based mentioned in the proceding paragraph shall comprise that the invention-creation for which the patent right is granted does not comply with the provisions of Articles 22 or 23, Article 26, paragraph three or four, or Article 33 of the Patent Law, or Rule 2, or Rule 13, paragraph one, or Rule 20, paragraph one, or Rule 21, paragraph two, of these Implementing Regulations; or it falls under the provisions of Articles 5 or 25 of the Patent Law; or the person to whom the patent was granted cannot obtain a patent right according to the provisions of Article 9 of the Patent Law." (Implementing Regulation Under Chinese Patent Law, Rule 64)

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