Article 56

1. An application for revocation of the rights of the proprietor of an EU trade mark or for a declaration that the trade mark is invalid may be submitted to the Office:

(a) where Articles 51 and 52 apply, by any natural or legal person and any group or body set up for the purpose of representing the interests of manufacturers, producers, suppliers of services, traders or consumers, which under the terms of the law governing it has the capacity in its own name to sue and be sued;

(b) where Article 53(1) applies, by the persons referred to in Article 41(1);

(c) where Article 53(2) applies, by the owners of the earlier rights referred to in that provision or by the persons who are entitled under Union legislation or the of the Member State concerned to exercise the rights in question.

2. The application shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the fee has been paid.

3. An application for revocation or for a declaration of invalidity shall be inadmissible where an application relating to the same subject matter and cause of action, and involving the same parties, has been adjudicated on its merits, either by the Office or by an EU trade mark court as referred to in Article 95, and the decision of the Office or that court on that application has acquired the authority of a final decision.