35It is appropriate first of all to recall, as regards the allocation of the various roles between the applicant for a declaration of invalidity, the competent bodies of EUIPO and the General Court, first, that Rule 37 of the implementing regulation provides that the applicant must provide particulars showing that he is entitled under the national law applicable to lay claim to an earlier right protected under national law. That rule requires the applicant, in order to be able to have the use of an EU trade mark prohibited by virtue of an earlier right, to provide EUIPO with, not only particulars showing that he satisfies the necessary conditions under the national law which he seeks to have applied, but also particulars establishing the content of that law (see, to that effect, judgments of 5 July 2011, Edwin v OHIM, C‑263/09 P, EU:C:2011:452, paragraphs 49 and 50, and of 27 March 2014, OHIM v National Lottery Commission, C‑530/12 P, EU:C:2014:186, paragraph 34).
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