8/6/2026 8:54:39 AM Rewriting the Rules: Inside the UKIPO's New Practice Note on AI Patentability By Matthew Jefferies Eve McGlynn Following the UK Supreme Court’s decision in Emotional Perception AI Ltd v Comptroller-General (“Emotional Perception”), the UKIPO has...
7/20/2026 12:08:00 PM Odysseus v the UKIPO: Could the Trojan Horse survive examination? By Harry Press Christopher Nolan's latest film, The Odyssey, was released this weekend. As I watched Odysseus (Matt Damon) emerge from the Trojan Horse...
7/10/2026 11:01:09 AM UPC: No reinvention of the wheel for doctrine of equivalence test By Thomas Prock In a recent decision of the Unified Patent Court (UPC), the Düsseldorf Local Division has endorsed the Dutch doctrine of equivalence test...
7/6/2026 11:52:21 AM UPC Court of Appeal confirms a lighter-touch test for evidence preservation than for provisional measures By Thomas Prock When TIRU suspected that a waste incineration furnace operated by Valinea Energie infringed its European patent, it did not go straight...
6/16/2026 10:04:08 AM Marks & Clerk recognised by the FT as one of Europe's Leading Patent Law Firms 2026 By M&C Newsroom We are delighted to share that Marks & Clerk has once again been recognised as one of Europe’s leading patent law firms in the Financial...
5/26/2026 4:03:38 PM 2026 EPO Guidelines - Rule 71(3) EPC communication By Roona Deb The 2026 edition of the Guidelines for Examination in the European Patent Office entered into force on 1 April 2026. This article...
5/13/2026 1:12:39 PM 2026 EPO Guidelines: New Procedural Developments By Faye Campbell This year’s modified EPC Guidelines entered into force last month, and in the latest in our series of articles, we look at updates to a...
5/11/2026 10:24:38 AM UPC: Late filed physical evidence cannot clarify the content of an earlier filed brochure By Thomas Prock In a recent decision from the Vienna Local Division of the Unified Patent Court (UPC), the Court maintained EP 3705415, taking a strict...
4/24/2026 9:40:38 AM 2026 EPO Guidelines: Applying G1/24 By Faye Campbell The EPO Enlarged Board of Appeal’s 2025 decision, G1/24, established that the description of a patent or application must always be...
4/23/2026 8:15:38 AM UPC CoA: EU Law trumps UPC Rules of Procedure By Thomas Prock In a recent decision handed down in UPC_CoA_420/2025 and its joined cases, the Unified Patent Court (UPC) Court of Appeal addressed a...
4/23/2026 8:08:38 AM UPC: Security for costs not required where claimant is backed by appropriate litigation insurance By Thomas Prock The UPC Court of Appeal has ruled that an order for security for costs is not justified where a claimant’s litigation insurance removes...
4/23/2026 8:01:38 AM UPC procedure – Intra-procedural condition permitted By Thomas Prock In a recent dispute at the Munich Local Division (UPC_CFI_628/2024, UPC_CFI_125/2025), Emboline Inc. initiated infringement proceedings...
4/23/2026 7:55:08 AM UPC claim interpretation: The normal use of a medical device matters By Thomas Prock In a recent decision on the merits between Emboline Inc. and AorticLab srl (UPC_CFI_628/2024, UPC_CFI_125/2025), the Munich Local...
4/22/2026 3:25:08 PM UPC Engages with Prosecution History in Claim Interpretation By Thomas Prock A recent decision from the Düsseldorf Local Division in UPC_CFI_351/2024 saw the Court consulted the prosecution history to resolve a...
4/22/2026 3:18:38 PM UPC: Court of Appeal orders licensing bar on defendants’ employees By Thomas Prock In two separate decisions handed down on the same day, the Court of Appeal of the Unified Patent Court (UPC) imposed a licensing bar on...
4/22/2026 2:38:39 PM UPC Court of Appeal: Accuracy of Ex Parte Applications By Thomas Prock In its March 2026 order in Ecovacs v Roborock, the Court of Appeal upheld the revocation of an ex parte inspection order on the basis...