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1 Decision of the Court of Appeal of the Unified Patent Court 29 December 2025 regarding EP 3 456 214 (revocation) HEADNOTES - If an Application to amend the patent is lodged, the claimant shall lodge a Defence to the Application to amend the patent (R. 43.3 RoP). Where appropriate in view of the proposed amendments, the Defence to the Application to amend the patent may contain submissions in accordance with R. 44(d) to (h) RoP and alternative non-infringement submissions (R. 32.2 RoP). - The Defence to the Application to amend the patent does not provide the claimant with an opportunity to introduce new grounds of invalidity in relation to the patent as granted, such as new prior art considered either novelty destroying or convincing starting points for the assessment of lack of inventiv ...