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Patents - Celltrion v Genentech

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Omalizumab structure Authors  Manav Segal, Jeffrey R Stokes, Thomas B. Casale Licence CC BY 2,5 Source Wikimedia Commons Jane Lambert Patents Court (HH Judge Hacon)  Celltrion Inc v Genentech, Inc and another [2025] EWHC 174 (Pat) (30 Jan 2025)   This was an action by Celltrion Inc ("Celltrion") for the revocation of European patent (UK)  3 805 248 B1  for a "Process for concentration of antibodies and therapeutic products thereof" ("the patent") held by Genentech Inc ("Genentech") and Novartis AG ("Novartis") and a counterclaim by Genentech and Novartis against Celltrion and its UK subsidiary for infringement.  The action and counterclaim were tried by His Honour Judge Hacon between 24 Oct 2024 and 1 Nov 2024.  The learned judge delivered judgment on 30 Jan 2025 (see  Celltrion Inc v Genentech, Inc and another  [2025] EWHC 174 (Pat) (30 Jan 2025)).  By para [193] of his judgment, he found that the patent was valid and infringed. Th...

Patents - Ensygnia IP Ltd v Shell UK Oil Products Ltd

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Shell Petrol Station Author Ianmcm   Public Domain Courtesy of the author   Soutce Wikimedia Commons Jane Lambert Court of Appeal (Lords Justices Phillips and Birss and Lady Justice Whipple)  Ensygnia IP Ltd v Shell UK Oil Products Ltd and others [2024] EWCA Civ 1490 (5 Dec 2024) This was an appeal against the judgment of Miss Charlotte May KC sitting as a deputy judge of the High Court in  Ensygnia IP Ltd v Shell Oil Products Ltd and others [2023] EWHC 1495 (Pat) of 26 June 2023.  That had been a claim by Ensygnia IP Ltd. ("Ensygnia") against Shell Oil Products Ltd, Shell International Petroleum Ltd. and Shell Information Technology BV ("Shell") for the alleged infringement of UK patent  GB 2,489,332 C2  and a counterclaim by Shell for revocation of the patent.  In para [300] of her judgment, Miss May held that the patent was invalid for added matter, extension of scope, and obviousness.  However, she also stated that the patent woul...

Patents - Rockwool International A/S v Knauf Insulation Ltd.

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Radomil / CC BY-SA (http://creativecommons.org/licenses/by-sa/3.0/) Jane Lambert Patents Court (Mr Justice Marcus Smith) Rockwool International A/S v Knauf Insulation Ltd [2020] EWHC 1068 (Pat) (7 May 2020 This was an appeal from the refusal of the hearing officer, Mr Huw Jones,  to revoke British patents  GB2451719  ("719") and  GB2496951 ("951") (see Rockwool International A/S and Knauf Insulation Limited   BL 0/291/19 28 May 2019). The Patents The patents concern materials for holding mineral wool in place to form thermal insulation for buildings known as "binders".  Those patents had been granted to Knauf Insulation Ltd. ("Knauf"). The abstract of 719 was as follows: "A substantially formaldehyde-free binder solutions having a pH greater than 6, comprising a carbohydrate, an acid precursor derivable from an inorganic salt and a nitrogen source. Typically, the carbohydrate is a reducing sugar, especially dext...