Rule 87 – Grounds for annulling or altering a decision of the Office

An action against a decision of the Office may be brought on grounds of:

(a) infringement of Regulation (EU) No 1257/2012 or of Regulation (EU) No 1260/2012 or of any rule of law relating to their application;

(b) infringement of any of the implementing rules of the European Patent Office for carrying out the tasks referred to in Article 9(1) of Regulation (EU) No 1257/2012;