In general, the European Patent Office (hereinafter referred to as the "European Patent Office") every two years to the European invention patent related fees once a comprehensive adjustment. However, due to the high inflation rate in the European region, In accordance with the "Decision of the Administrative Council of the European Patent Organization of 14 December 2022 to amend Article 2 of the Implementing Regulations on Fees and to adjust the amount of deduction for supplementary European search reports in cases where the international search report or supplementary international search report is taken by the European International Search Authority" and "The Office of the European Patent Office", published in the Official Journal of the European Patent Office in January 2023 Following the decision of 17 January 2023 to amend official fees, the EPO, in a rare move, will implement the new official fees on 1 April 2023.