PART VII – IMPLEMENTING REGULATIONS TO PART VII OF THE CONVENTION Close Submenu Breadcrumb Home European Patent Convention (EPC 1973) – Table of Contents Implementing Regulations Part VII Chapter IV Print Facebook Twitter Linkedin Email Chapter IV – Time limits Rule 83 – Calculation of time limits Rule 84 – Duration of time limits Rule 84a – Late receipt of documents Rule 85 – Extension of time limits Rule 85a – Period of grace for payment of fees Rule 85b – Period of grace for the filing of the request for examination Chapter IVTime limits A revised version of the European Patent Convention entered into force on 13 December 2007. The provisions of the revised Convention apply unless the transitional provisions provide for the applicability of the EPC 1973. Rule 83 – Calculation of time limits Rule 84 – Duration of time limits Rule 84a – Late receipt of documents Rule 85 – Extension of time limits Rule 85a – Period of grace for payment of fees Rule 85b – Period of grace for the filing of the request for examination Next Previous Show modifications