31The Court points out, next, that the concept of proceedings ‘concerned with the registration or validity of [intellectual property rights]’, referred to in those provisions, is an ‘independent concept’ intended to have uniform application in all contracting States (judgments of 15 November 1983, Duijnstee, 288/82, EU:C:1983:326, paragraph 19, and of 13 July 2006, GAT, C‑4/03, EU:C:2006:457, paragraph 14).
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