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Adam Lacy (Hoffmann Eitle)

EPO likely to continue to require adaptation of description: preliminary opinion in G 1/25

March 13, 2026

The preliminary opinion of the Enlarged Board in G 1/25 can be found here. At present, the Enlarged Board seem set to uphold the EPO practice of requiring adaptation of the description, both in…

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Claire Phipps-Jones (Bristows)

The UPC’s first CJEU referral – a case of constitutional significance or a jurisdictional nightmare?

March 12, 2026

On 6 March 2026, the UPC Court of Appeal in Dyson v Dreame & Eurep referred four questions concerning the extent of the UPC’s long-arm jurisdiction to the Court of Justice of the European Union –…

Ivo Emanuilov (KU Leuven Centre for IT & IP Law)

When everything becomes a program: a technical analysis of the UK Supreme Court’s judgment in Emotional Perception

March 10, 2026

As previously reported in this blog, on 11 February 2026, the UK Supreme Court handed down its ruling in Emotional Perception AI Ltd v Comptroller General of Patents, Designs and Trade Marks [2026]…

Matthieu Dhenne (Dhenne Avocats)

The UPC’s Long Arm and the Limits of Its Reach

March 10, 2026

For the past year, European patent lawyers have been discussing the “long arm” of the Unified Patent Court (UPC) as if jurisdiction were simply a question of geographical reach. In cross-border…

Adam Lacy (Hoffmann Eitle), Christopher Rennie-Smith (Rennie-Smith Consultants)

EPO Boards of Appeal are divided on whether divisionals can be filed after grant

February 23, 2026

In J 1/24, Board 3.1.01 (the Legal Board of Appeal) surprised many practitioners by treating a divisional filed after the publication of the mention of the grant as validly filed. As this went…

Ewan MacAulay (Bristows)

Salts v Pelican CA

February 23, 2026

On 19 February 2026, the English Court of Appeal (Arnold LJ presiding) handed down its decision in Salts v Pelican [2026] EWCA Civ 93 – an appeal against the first instance decision of Ian Karet …

Naoise Gaffney (Bristows LLP)

UK Supreme Court changes the approach to patentability of Computer Implemented Inventions

February 16, 2026

In a landmark ruling handed down on 11 February, the UK Supreme Court in [Emotional Perception AI v Comptroller General [2026] UKSC 3] has brought about a shift in the way that the patentability of…