Part V – Implementing Regulations to Part V of the Convention
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Chapter I – Opposition procedure

Overview

Chapter I
Opposition procedure

16th edition: this version presents the text in force on 1 July 2020.

Rule 75 – Surrender or lapse of the patent
Rule 76 – Form and content of the opposition
Rule 77 – Rejection of the opposition as inadmissible
Rule 78 – Procedure where the proprietor of the patent is not entitled
Rule 79 – Preparation of the examination of the opposition
Rule 80 – Amendment of the European patent
Rule 81 – Examination of opposition
Rule 82 – Maintenance of the European patent in amended form
Rule 83 – Request for documents
Rule 84 – Continuation of the opposition proceedings by the European Patent Office of its own motion
Rule 85 – Transfer of the European patent
Rule 86 – Documents in opposition proceedings
Rule 87 – Content and form of the new specification of the European patent
Rule 88 – Costs
Rule 89 – Intervention of the assumed infringer
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Cross-reference list
  • EPC EPC 1973
    R. 75Art. 99(3)
    R. 76 R. 55
    R. 77R. 56
    R. 78R. 13(4); R. 16(3)
    R. 79R. 57
    R. 80R. 57a
    R. 81R. 58(1), (2), (3)
    R. 82R. 58(4), (5), (6), (7), (8)
    R. 83R. 59
    R. 84R. 60
    R. 85R. 61
    R. 86R. 61a
    R. 87R. 62, R. 62a
    R. 88R. 63
    R. 89Art. 105
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