(1) Where the applicant for a trade mark has displayed goods or services under the trade mark applied for
1. at an official or officially recognised international exhibition falling within the terms of the Convention on International Exhibitions signed in Paris on 22 November 1928, or
2. at another domestic or foreign exhibition,
he may, if he files the application within a period of six months following the first display of the goods or services under the trade mark applied for, claim a right of priority from that date within the meaning of section 34.
(2) Notice of the exhibitions referred to in subsection (1) no. 1 shall be published by the Federal Ministry of Justice and Consumer Protection in the Federal Gazette (Bundesanzeiger).
(3) The exhibitions within the meaning of subsection (1) no. 2 shall be determined in each individual case by the Federal Ministry of Justice and Consumer Protection and notice thereof shall be published in the Federal Gazette.
(4) Any person who claims a priority in accordance with subsection (1) shall, within two months after the date of filing, indicate the date of the first display as well as the exhibition. If the applicant has provided this information, the German Patent and Trade Mark Office shall invite him to submit the documentation proving the display of the goods or services under the trade mark applied for within two months after the service of the request. If the documentation is not submitted in due time, the right of priority shall be forfeited for this application.
(5) The exhibition priority in accordance with subsection (1) shall not extend the period of priority specified in section 34.