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Intellectual property

Tom Mitcheson KC

Tom Mitcheson KC

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Three New Square

Three New Square is 'a excellent set of IP barristers'. The team is highly experienced in handling instructions in the telecoms, biotech and pharmaceutical sectors. Andrew Waugh KC is well versed in advising on high-profile pharmaceutical patent disputes, while Tom Hinchliffe KC routinely represents multinational telecoms, biotech and technology entities in IP matters. Elsewhere in chambers, Tom Mitcheson KC and Daniel Selmi appeared in Merck Serono SA v Comptroller-General of Patents, Designs, and Trade Marks, a Court of Appeal case concerning the use of supplementary protection certificates for second medical use. Katherine Moggridge brings expertise in advising on all aspects of IP law, including passing off, patents, registered design rights and trade marks. Geoffrey Pritchard KC took silk in March 2025.
Legal 500 Editorial commentary
Phone
020 7405 1111
Email
[email protected]
Profile
3newsquare.co.uk

Profile

Position

Barrister specialising in all types of contentious intellectual property work, including patents, trade marks, copyright, design right, registered designs, passing off and confidential information. Reported cases include: Arsenal v Reed (trade mark, ECJ and CA); Sir Robert McAlpine v Alfred McAlpine (passing off); Pozzoli v BDMO (CA); Lundbeck v Teva (patent sufficiency, HL); L’Oreal v eBay (trade mark); Medeva’s Patent (SPC, CA); Schutz v Werit (SC); Medimmune v Novartis (CA); Lilly v HGS (SC); Cadbury v Nestlé (shape mark, CJEU); Servier v Apotex (SC); Hospira v Genentech (CA); Actavis v Lilly (SC); Warner Lambert v Actavis (SC); Gilead v Teva (SPC, CJEU); Actavis v Icos (SC), Sandoz v Janssen / Searle (SPC, CJEU), Rhodia v Neo (CA), IPCom v Vodafone (CA), Fibrogen v Akebia (CA), GE v Siemens, Pfizer v Moderna (CA), Samsung Bioepis v Janssen, Celltrion v Genentech, Merck Serono’s SPC, AstraZeneca v Glenmark (CA).

Career

Called 1996, Inner Temple; QC 2014. Publications: Wang P-C, Vancura A, Mitcheson TGM, and Kuret J (1992), ‘Two genes in Saccaromyces cerevisiae Encode a Membrane-Bound Form of Casein Kinase-1’, Molecular Biology of the Cell 3, 275-286. Terrell on the Law of Patents (20th Edition, 2024). Standing counsel to the comptroller general for patents, designs and trade marks 2009-14. Appointed Person to hear trade mark appeals 2016-. Called to the Irish Bar, 2021 & UPC Representative. Appointed Deputy High Court Judge 2024.

Memberships

Intellectual Property Bar Association; Chancery Bar Association; Bar European Group.

Education

Trinity College, Cambridge (1994 MA First Class Hons Natural Sciences); City University (1994 Diploma in Law CPE – Distinction).

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Testimonials

Collated independently by Legal 500 research team.

  • ‘Nick Hill is an excellent clerk and always goes out of his way to assist, even on short notice.’
  • ‘Always very friendly and helpful. Nick Hill is fantastic and always goes out of his way to be as helpful as possible.’
  • ‘Very effective clerking. Tim Fairburn is fast and very efficient.'
  • ‘The clerking and support team at 3 New Square are great. Nick Hill is a consummate professional. Georgia Onyett and Zena Robbins are fabulous as well.’
  • 'The set has strong depth in this area.'
  • 'Three New Square are a dedicated IP set stuffed with great barristers at all levels. We've worked with them for many, many years and have found them to be a great choice.'
  • 'Three New Square is an excellent set and my first port of call when I require IP counsel.'
  • 'Fantastic chambers which, without question, have some of the best IP silks.'