Jonathan is an experienced barrister specialising in intellectual property and competition law.

His practice covers all types of intellectual property and a wide variety of subject-matter. He is particularly well-known for litigation relating to fabric designs, domain name disputes, and issues relating to the interface between intellectual property and competition or free trade law.

He is also known for his willingness to take on difficult cases and fight tenaciously and creatively for his clients, challenging conventional views when necessary.

He has extensive experience of cases which involve both IP and commercial, international, tax or other issues.

He is the author of “Intellectual Property and EU Competition Law” (2d Edition, OUP 2015), which has been described as the leading work of reference on this subject.

Cases of interest


  • PLG Research v Ardon
  • Lux v Pike & Faronwise
  • Protomed v Medication Systems

Copyright and related rights

  • Designers Guild v Russell Williams
  • AntiquesPortfolio v Fitch
  • Experience Hendrix v Purple Haze Records
  • Entec (Pollution Control) v Abacus
  • Potton v Yorkclose
  • Abraham Moon v Thornber
  • Magical Marking v Phillips


  • Parmenter v Malt House Joinery
  • C&H v Kluckznik
  • Malgar v Leach

Trademarks, passing off, domain names

  • Reckitt & Colman v Borden
  • Ball v Eden Project
  • Adobe v Netcom
  • French Connection v Sutton
  • Toth v Emirates
  • Chelsea Man v Chelsea Girl

Commercial and competition law

  • Bim Kemi v Blackburn Chemicals
  • BHB Enterprises v Victor Chandler
  • Maxter v Medicina
  • Cembrit Blunn v Apex Roofing Services
  • John Bruce
  • Swan Solutions / Avaya ECS

Qualifications & appointments

  • WIPO and Czech Arbitration Court Panelist for Domain Name Disputes
  • Elected director of the Authors’ Licensing & Collecting Society
  • Chair of UK Lawyers for Israel


  • IP Bar Association
  • Bar European Group
  • Competition Law Association


  • Cambridge University (MA, law)
  • Université Libre de Bruxelles (Licence spéciale en Droit Européen)
  • Queen Mary College, London (electronics and biochemistry)


  • French


  • Intellectual Property and EU Competition Law (2nd Edn, OUP, 2015): “authoritative, succinct and precise” – John Townsend, Modern Law Review; “very detailed, well-written description of the laws in this field” – Susan Singleton, European Intellectual Property Review
  • chapters in Vaughan & Robertson, Law of European Union, and Halsbury’s Laws of England on the application of EU competition law to intellectual property and vertical agreements
  • chapters in Tolley’s Domain Names – A Practical Guide
  • numerous articles, particularly on the application of competition and free trade law to IP

Personal interests

Walking, theatre, judaica