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G 1/26: The EPO’s Unfinished Business on Claim Interpretation

G 1/26: The EPO’s Unfinished Business on Claim Interpretation

by Sean Hughes | Jun 22, 2026 | EPO

Admissibility: Should the Enlarged Board Answer at All? The first question in G 1/26 is procedural. The referring Board asks whether a referral is “required” under Article 112(1) EPC where the legal issue arises in the pending case but the Board has not...
From EPO to UPC: The Lasting Impact of Prosecution on Claim Interpretation

From EPO to UPC: The Lasting Impact of Prosecution on Claim Interpretation

by Agne Augustinaite | Jun 16, 2026 | UPC

Background The Claimant, Agathon, was the proprietor of a European patent relating to a mechanical system designed to improve alignment in industrial machinery. Particularly, the invention concerns the repeated opening and closing of heavy metal components where...
Don’t Get Locked In! A Cautionary Tale in Opting Out Early

Don’t Get Locked In! A Cautionary Tale in Opting Out Early

by Sean Hutchinson | Jun 15, 2026 | UPC

Background Before the UPC opened its doors on 1 June 2023, many proprietors of European patents were wary of litigating their patents in an as-yet untested forum. To address these concerns, the authors of the UPC Agreement (“UPCA”) decided to implement a 7-year...
First UPC Referral to the CJEU: Just How Long is the Long-Arm Jurisdiction of the UPC?

First UPC Referral to the CJEU: Just How Long is the Long-Arm Jurisdiction of the UPC?

by Sean Hutchinson | May 19, 2026 | UPC

Background: Long-Arm Jurisdiction The Unified Patent Court (“UPC”) was introduced as a central forum for enforcing European patents across the European Union (“EU”). However, not all EU Member States (e.g. Spain) signed up to the UPC Agreement (“UPCA”), and some...
Sequence Identity Claims After T 0137/24: How Broad Is Too Broad?

Sequence Identity Claims After T 0137/24: How Broad Is Too Broad?

by Sean Hughes | May 11, 2026 | EPO

Sequence Identity Claims After T 0137/24 The recent Board of Appeal decision in T 0137/24 provides useful guidance on how sequence identity claims are assessed under the EPC, particularly in relation to added matter and sufficiency. Biotech sequence-related claims are...
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