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1 Hamburg - Local Division UPC_CFI_278/2023 Final Order of the Court of First Instance of the Unified Patent Court delivered on 30/04/2025 HEADNOTES 1. Art. 32 (1) e) and 65 (1) UPCA allow to attack the patent in its entirety by means of a counterclaim, even though single claims are not a part of the infringement requests. 2. The definition of claimed features based on the principle that a patent may be used as its “own lexicon” is limited to those parts of the description that are related to the feature in question. 3. Specifications in the description that are not consistent with the granted claims cannot serve as a basis of a broad interpretation of a claim. 4. A counterclaimant cannot introduce new grounds of invalidity of the attacked patent or introduce new documents considered novel ...