Patent Filing – UK 2025

Recommended patent firms in:
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    Abel & Imray

    London, Bath, Cardiff

    Recommended fields of expertise

    Practice strength

    37 patent attorneys

    Significant clients

    Patent filing for Airbus, CooperVision, Enersys, Exxon Mobil, Materialise, Nike, Ocado, Safran Seats, Sony (all public knowledge).

    Locations

    London, Bath, Cardiff

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    Appleyard Lees

    Cambridge, Halifax, Leeds, Manchester

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    38 patent attorneys

    Significant clients

    Patent filing for CO2 Sustain, BioRad, Bivictrix, Cancer Research UK, Clasado Biosciences, Cresendo Biologics, FeTu, Jemmtec, JT International, Samsung Electronics, Smith & Nephew, PPG Industries, Owlstone Medical, Oxa Autonomy, Viasat, various UK and US universities regarding biotech patents (some public knowledge).

    Locations

    Cambridge, Halifax, Leeds, Manchester

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    Boult Wade Tennant

    London, Cambridge, Reading

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    69 patent attorneys

    Significant clients

    EPO oppositions: Abbott against Dexcom over glucose-monitoring devices (including UPC; settled in 2024); European Oppositions Limited against Wyeth/Pfizer over method for production of a polypeptide; straw man oppositions over CRISPR/Cas patent. Litigation: Molecular Instruments against Advanced Cell Diagnostics at UPC over RNA-sequencing technology. Patent filing for Boeing, Capital One, FEI Company, Jeol, Sumitomo Electric Industries, Tepeo, Thermo Fisher, Vodafone. Filing and oppositions for Abbott, Dow Global Technologies, Johnson Matthey (some public knowledge).

    Locations

    London, Cambridge, Reading

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    Carpmaels & Ransford

    London

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    95 patent attorneys

    Significant clients

    EPO oppositions: Johnson & Johnson regarding biological product Stelara for treating autoimmune disease; Novartis against Alexion over patent for antibody eculizumab to prevent transplant rejection; Novartis regarding heart-failure drug Entresto; Sanofi against Amgen over cholesterol-lowering drug Praluent; Sanofi against Moderna and CureVac over mRNA patent; Gilead over HIV blockbuster Descovy; Janssen-Cilag against Amgen regarding blood cancer drug Tecvayli; CSL/uniQure against Pfizer over haemophilia gene therapy Hemgenix. Patent filing and oppositions for Amgen, Barclays Bank, Biogen, Bristol-Myers Squibb, Ethicon, Gilead, GH Research, Micron, Novartis, Regeneron, Takeda, various Johnson & Johnson subsidiaries.

    Locations

    London

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    CMS Cameron McKenna Nabarro Olswang

    London

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    19 patent attorneys

    Significant clients

    EPO oppositions: straw man opposition against Novo Nordisk over type 2 diabetes drug Rybelsus; Akebia against Fibrogen and Sandoz over an HIF-prolyl hydroxylase inhibitor Vafseo for treating chronic kidney disease; Sanofi against Regeneron over Intelliselect transgenic platform. Patent filing for Imagination Technologies, Kymab, Laing O'Rourke, Microsoft, Xilio Therapeutics. Filing and oppositions for Akebia Therapeutics, BP Technologies, Foundation Medicine, Nestlé Sanofi.

    Locations

    London

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    Dehns

    London, Birmingham, Bristol, Manchester, Oxford

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    78 patent attorneys

    Significant clients

    EPO oppositions: Jotun against competitors over coating technology; Autostore over warehouse robots (ended 2024). Litigation: Advanced Bionics in EPO opposition and UPC case over cochlear implants; Carrier Corp. in EPO opposition and UPC case over cold chain monitoring; Stanley Black & Decker in UPC case over tools. Patent filing for Arm, B/E Aerospace, FujiFilm, Otis Elevator, Pratt & Whitney, Rockwell. Filing and oppositions: BAT/Nicoventures, Borealis, Carrier Corporation, CocaCola, JCB, Nordic Semiconductors, RTX, Waters Corporation (some public knowledge).

    Locations

    London, Birmingham, Bristol, Manchester, Oxford

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    D Young & Co

    London, Southampton

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    68 patent attorneys

    Significant clients

    EPO oppositions: Novo Nordisk regarding diabetes and weight-loss drugs Wegovy, Ozempic and Rybelsus; Teva against Bristol-Myers Squibb over SPC for anticoagulant apixaban/Eliquis; Teva against Novartis regarding multiple sclerosis drug fingolimod/Gilyena and chronic heart-failure drug sacubitril-valsartan/Entresto. Patent filing for Alexion, Amazon, BioMarin, IFF International Flavors & Fragrances, InterDigital, RAI Strategic Holdings, Toyota. Filing and oppositions for BAT/Nicoventures, Boehringer Ingelheim Animal Health, Hoffmann-La Roche, Nestlé, Sony, Teva, Takeda (some public knowledge).

    Locations

    London, Southampton

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    EIP

    London, Bath, Cardiff, Leeds

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    48 patent attorneys

    Significant clients

    EPO oppositions: Moderna against CureVac regarding mRNA patent (public knowledge). Patent filing and oppositions for Airbus and Hewlett-Packard. Filing for Nokia, Oxford Nanopore Technologies, Rakuten, Siemens Healthineer, ServiceNow, Sonos, Visa (some public knowledge).

    Locations

    London, Bath, Cardiff, Leeds

    Other Rankings

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    Elkington + Fife

    London, Sevenoaks

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    27 patent attorneys

    Significant clients

    EPO oppositions: straw man opposition against CRISPR/Cas patent owned by the University of California. Patent filing for Corning, Deka Products, Imagination Technologies, Norton Limited, Samsung Electronics. Filing and oppositions for Coca Cola, Dow Chemical, Fujifilm, Nestlé, Novartis, Procter & Gamble, Teva, Viatris.

    Locations

    London, Sevenoaks

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    Gill Jennings & Every

    London

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    40 patent attorneys

    Significant clients

    EPO oppositions: Viatris against Novartis regarding multiple sclerosis drug fingolimod (also regarding infringement action). Patent filing for Huawei, Oracle, Quantum Motion Technologies, St. Jude Medical, Sony, Xerox, V-Nova. Filing and oppositions for Abbott, De La Rue, JT International, Procter & Gamble, Rockwool (some public knowledge).

    Locations

    London

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    Haseltine Lake Kempner

    Bristol, Glasgow, London, Leeds

    Recommended fields of expertise

    Practice strength

    50 patent attorneys

    Significant clients

    EPO oppositions: The Broad Institute regarding CRISPR/Cas patents and CRISPR gene-editing therapeutic Casgevy; Aselsan against John Cockerill Defence over missile-guidance system; frequently for Mars. Litigation: Arm against ICPillar in UPC action over semiconductors (settled 2024). Patent filing for Acer, Astex Therapeutics, Ericsson, Fujitsu, Hand Held Products, Honeywell, MediTech, Suzuki, ThermoKing (some public knowledge).

    Locations

    Bristol, Glasgow, London, Leeds

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    HGF

    Aberdeen, Alderly Park, Belfast, Birmingham, Edinburgh, Glasgow, Leeds, London, Manchester, Newcastle, Nottingham, Oxford, Sheffield, York.

    Recommended fields of expertise

    Practice strength

    108 patent attorneys

    Significant clients

    EPO oppositions: Philip Morris over heat-not-burn technology; straw man claim against Universities of California and Vienna over CRISPR/Cas patents. Litigation: Amarox/Hetero Lab against Bayer over anticoagulant Xarelto. Patent filing for Fujifilm, Illinois Tool Works, Intel, Philip Morris, Samsung Electronics, Syngenta, W. L. Gore (all public knowledge).

    Locations

    Aberdeen, Alderly Park, Belfast, Birmingham, Edinburgh, Glasgow, Leeds, London, Manchester, Newcastle, Nottingham, Oxford, Sheffield, York.

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    J A Kemp

    London, Cambridge, Oxford

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    89 patent attorneys

    Significant clients

    EPO oppositions: Bristol-Myers Squibb over cancer antibody Opfivo; GSK over RSV vaccine Arexvy; DSM gainst IFF over lactic acid bacteria. Litigation: Healios/Osaka University against Astellas in UPC and national revocation case over method of production of retinal pigment epithelial cell (settled 2024). Patent filing (mostly including oppositions) for AbbVie, Amazon, Alexion Pharmaceuticals, Bicycle Therapeutics, Brother, DSM, Eli Lilly, GSK, Nippon Steel, Ricoh, Pfizer, Regeneron, Roche Diagnostics, Sanofi, Sony, Toyota, UCB.

    Locations

    London, Cambridge, Oxford

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    Kilburn & Strode

    London

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    60 patent attorneys

    Significant clients

    EPO oppositions: Edwards Lifesciences against Meril Life Sciences over heart valves; Merck Sharp & Dohme against CureVac over mRNA patents; straw man claim against Novartis over asthma drug omalizumab. Patent filing for Amgen, Boeing, Cisco, Edwards Lifesciences, Elekta, GE Precision Healthcare, Google, Honeywell, Immunocore, LG Display, Sage Therapeutics, Salesforce (some public knowledge).

    Locations

    London

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    Marks & Clerk

    London, Aberdeen, Birmingham, Cambridge, Edinburgh, Glasgow, Manchester, Oxford

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    119 patent attorneys

    Significant clients

    EPO oppositions: Meril Life Sciences regarding heart valves; AB InBex regarding brewing technologies and beer ingredients; the Broad Institute regarding CRISPR/Cas patents. Patent filing and oppositions for AB InBev, Bridgestone, the Broad Institute, Daiichi Sankyo, Gilead, Google, Hewlett Packard, Landis + Gyr, Meril Life Sciences, Menarini, Ricoh, Samsung, Tate & Lyle, Toshiba (some public knowledge).

    Locations

    London, Aberdeen, Birmingham, Cambridge, Edinburgh, Glasgow, Manchester, Oxford

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    Mathys & Squire

    London, Birmingham, Cambridge, Manchester, Newcastle, Oxford

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    72 patent attorneys

    Significant clients

    EPO oppositions: Abbott against Dexcom over glucose-monitoring devices. Litigation: Newron Pharmaceuticals against Comptroller General regarding coverage of marketing authorisation for Parkinson’s drug Xadago. Patent filing and oppositions for Abbott, AbbVie, BP, Cisco, Cook Medical, Genzyme, Kenwood, NEC, Novartis. Filing for 3M, Bristol-Myers Squibb (all public knowledge).

    Locations

    London, Birmingham, Cambridge, Manchester, Newcastle, Oxford

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    Mewburn Ellis

    London, Bristol, Cambridge, Manchester

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    100 patent attorneys

    Significant clients

    Patent filing for 10x Genomics, Bristol-Myers Squibb, Danisco, Genentech, Hithium Tech HK, Hitachi, Hoffmann-La Roche, Imperial Tobacco, Roku, Shin-Etsu Chemical, University of California (all public knowledge).

    Locations

    London, Bristol, Cambridge, Manchester

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    Page White and Farrer

    London, Leeds,

    Recommended fields of expertise

    Practice strength

    25 patent attorneys

    Significant clients

    Patent filing for Atieva, nChain Licensing, Imagination Technologies, Microsoft, Nokia (all public knowledge).

    Locations

    London, Leeds,

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    Patent Boutique

    London

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    11 patent attorneys

    Significant clients

    Patent filing for Boa Technology, Cybin, Immaterial, MGI Tech, Norton, Procter & Gamble, Small Pharma, Vecor IP Holdings (all public knowledge).

    Locations

    London

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    Potter Clarkson

    London, Nottingham

    Recommended fields of expertise

    Practice strength

    47 patent attorneys

    Significant clients

    EPO oppositions: Novo Nordisk over diabetes drug semaglutide; Astellas against Healios/Osaka University over stem cell technology; Novozymes regarding food technology; Bunge Loders Croklaan regarding oils and fats for food; straw man against the Broad Institute over CRISPR/Cas patent. Patent filing and oppositions for Astellas, Baxter Healthcare, BOE Technology Group, Chevron Phillips Chemical, Here Technologies, Ineos, Novo Nordisk, Novozymes, Sanofi, Unilever.

    Locations

    London, Nottingham

    Other Rankings

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    Reddie & Grose

    London, Cambridge

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    56 patent attorneys

    Significant clients

    Patent filing for Baxter Medical Systems, Corning Research & Development, Deere & Company, Dish Technologies, Fering, Philip Morris, Qualcomm, Tencent. Patent filing and litigation for Zentiva (all public knowledge).

    Locations

    London, Cambridge

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    Schlich

    Littlehampton

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    12 patent attorneys

    Significant clients

    EPO oppositions: Intellia Therapeutics over CRISPR/Cas patents; Glenmark against Amgen over patent for multiple sclerosis drug cinacalcet/Tefidera; ONK Therapeutics regarding patents in relation to cell therapies; Maravai LifeSciences regarding patents related to primers and methods for synthesing 5’-capped RNAs. Patent filing for Advanced Materials, AbbVie, Astex Therapeutics, EsoBiotech, Intellia Therapeutics, Nanofilm, ONK Therapeutics, Polar Doors, Rolls Royce, various US universities (some public knowledge).

    Locations

    Littlehampton

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    Simmons & Simmons

    London

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    2 patent attorneys

    Significant clients

    Patent filing and oppositions for Acerus Pharmaceuticals, Apple, Axovia Therapeutics, Celanese, Danaher Corporation, KCI, uniQure, Samsung Bioepis, Toyota.

    Locations

    London

    Other Rankings

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    Venner Shipley

    Cambridge, Guildford, London, Manchester, Oxford, Tunbridge Wells

    Recommended fields of expertise

    Practice strength

    97 patent attorneys

    Significant clients

    EPO oppositions: Nicroventures over tobacco products; Oppo against Panasonic over mobile communications standards; Playtech over online software patents (both including UPC case); frequently for Procter & Gamble and Takeda. Patent filing for Airbus Defence and Space, Dentsply Sirona, Chevron Phillips Chemical, Google, Mitel Networks, Nokia, Palantir Technologies, Halliburton Energy Services, Hoffmann-La Roche, Indian Oil Corporation, Regeneron, Samsung, Zimmer Biomet. Filing and oppositions for Biogen, British American Tobacco/Nicoventures, Oppo, Sanofi, Takeda (some public knowledge).

    Locations

    Cambridge, Guildford, London, Manchester, Oxford, Tunbridge Wells

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    Withers & Rogers

    London, Bristol, Sheffield, Warwick

    Recommended fields of expertise

    Practice strength

    57 patent attorneys

    Significant clients

    Patent filing for Accenture Global Solutions, Apple, Analog Devices, ArvinMeritor Technology, Halliburton Energy, Harvard University, Honeywell, J.C. Bamford Excavators (all public knowledge).

    Locations

    London, Bristol, Sheffield, Warwick

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    Wynne-Jones IP

    Cardiff, Cheltenham, London, Malvern, Telford

    Recommended fields of expertise

    Recommended individuals

    Practice strength

    6 patent attorneys

    Significant clients

    Patent filing for Apollo Intelligent Connectivity, ATS Automation Tooling, Baidu, Husco Automotive, Nutramay Laboratories, STS Technologies.

    Locations

    Cardiff, Cheltenham, London, Malvern, Telford

Published 30 March 2025