John Patten is a partner in the London office of Kirkland’s Technology and Intellectual Property Transactions practice. John’s practice focuses on advising clients on a variety of complex commercial and corporate transactions in which technology, IP and data play a major role, including M&A (sales, acquisitions and carve-outs), mergers, transfers, licensing, brand co-operations, security, joint ventures, research & development agreements, settlements and services, manufacturing and supply arrangements. John also advises clients on data protection compliance in relation to European data privacy laws, and has experience advising on aspects of European healthcare regulations.

John has a wealth of experience across a range of sectors and industries, including life sciences, software, media, gaming, entertainment, telecommunications, IT, food & beverages, sports data, adtech, digital marketing, hospitality and investment management. John’s prior experience in other international firms and conducting international IP litigation, and his first class grade in the Oxford Postgraduate Diploma in IP law and Practice, provides him with additional valuable experience in international and strategy aspects of commercial transactions and the legal structure underpinning IP that have proved invaluable for his clients.


Thought Leadership


Co-author, “High Court Considers the Nano-Details of Consumer Law for Students in Relation to University IP Policies”, European Intellectual Property Law Review, Volume 45, Issue 7, June 2023

Co-author, “Shenzhen Carku v NOCO - Patent Infringement Allegation Made Via Template Online Complaint Process Ruled as an Unjustified Threat”, Computer and Telecommunications Law Review, Volume 29, Issue 1, January 2023

Co-author, “The Final Piece to the Schrems II Puzzle? UK Parliament Approves New International Data Transfer Mechanisms, Plus Signs of a Breakthrough on Transatlantic Data Flows from the EU”, Kirkland Alert, April 2022

"Shazam v Only Fools the Dining Experience: A "Cushty" Result for Authors of Well-known Characters as Del Boy Becomes a Copyright Protected Work", Entertainment Law Review, Volume 33, Issue 7, 2022

Co-author, “Court of Appeal Upholds Interim Injunction in Trade Secrets Claim against Chinese Competitor”, European Intellectual Property Law Review, Issue 4, 2021

Co-author, “Supreme Court Upholds English Courts’ Jurisdiction in Global SEP Licence Disputes”, European Intellectual Property Law Review, Issue 1, 2021

Co-author, “CJEU Confirms the New EUIPO Test on Morality”, Entertainment Law Review, Issue 5, 2020

Co-author, “Supreme Court Lowers the Bar for Finding an Outstanding Benefit from Employee Inventions”, European Intellectual Property Law Review, Issue 2, 2020

Co-author, “AG Bobek Rolls Out the Red Carpet for a New EUIPO test on morality”, Entertainment Law Review, Issue 8, 2019

Co-author, “Court of Appeal Furthers the UK’s Bid to be the SEPs Capital of Europe”, European Intellectual Property Law Review, Volume 41, Issue 6, 2019

Co-author, “SEPs Education: Court of Appeal Confirms its FRANDly Approach to Global SEP Licences”, European Intellectual Property Law Review, Volume 41, Issue 3, 2019

Co-author, “Data Protection on Both Sides of the Pond: GDPR v California’s Consumer Privacy Act”, Computer and Telecommunications Law Review, Volume 25, Issue 1, January 2019

Co-author, “Third Time’s the Charm: Supreme Court Orders Luxury Watchmaker to Pay the Costs of Blocking Web Infringers”, Computer and Telecommunications Law Review, Volume 24, Issue 7, September 2018

Co-author, “CJEU Brings AG Spunzar to Heel in Finding Louboutin Registration to be Valid”, Entertainment Law Review, Volume 9, Issue 7, September 2018


Admissions & Qualifications

  • 2015, Admitted to Practice as a Solicitor of England and Wales


  • University of OxfordPostgraduate Diploma in Intellectual Property Law and Practice

    with Distinction

  • University of Law, LondonLL.B.with Distinction2013
  • University of OxfordBiological SciencesFirst Class Honours2011