Rule 19
Designation of the inventor³¹

(1) The request for grant of a European patent shall contain the designation of the inventor. However, if the applicant is not the inventor or is not the sole inventor, the designation shall be filed in a separate document. The designation shall state the family name, given names and full addresscountry and place of residence of the inventor, contain the statement referred to in Article 81 and bear the signature of the applicant or his representative.

(2) The European Patent Office shall not verify the accuracy of the designation of the inventor. 

(3) If the applicant is not the inventor or is not the sole inventor, the European Patent Office shall communicate to the designated inventor the information in the document designating him and the following data:

(a) the number of the European patent application;

(b) the date of filing of the European patent application and, if priority has been claimed, the date, State and file number of the previous application;

(c) the name of the applicant;

(d) the title of the invention;

(e) the Contracting States designated.

(4) The applicant and the inventor may invoke neither the omission of the communication under paragraph 3 nor any errors contained therein.