Specialist in advisory and litigation work in all aspects of intellectual property law, including patents, trade marks, passing off, designs (registered and unregistered), copyright and confidential information; software contract disputes; media and entertainment. Notable cases include: Cofemel (CJEU), AMS Neve v Heritage Audio (CJEU); Icescape Ltd v Ice-World International (High Court); Warner-Lambert v Actavis (Court of Appeal), Teva UK Limited v Boehringer Ingelheim Pharma, Magmatic v PMS International (Supreme Court), Lucasfilms v Ainsworth (Supreme Court); HTC v Apple (High Court); TBD (Owen Holland) v Obcon (Court of Appeal);.

After successfully passing the New York Bar exam in 2007 Jonathan worked for 2 years as a New York Attorney at the US firm Mayer Brown. Called to the English Bar in 2009. Since 2016 Jonathan has taught design law at Oxford University on their Diploma in Intellectual Property Law. Previously Jonathan has been a guest lecturer at the University of Strasbourg where he taught UK patent litigation, and also at UCL and Kings College where he taught on their joint LL.M program in IP. He also lectures for CIPA on their Basic Litigation Skills Course and on their Patent Attorney Litigation Course. Jonathan has been a contributing author to the following books: Law of Remedies (2019, edited by Franz Hoffman), Copinger and Skone James on Copyright (2016), Antitrust in Groceries Sector & Liability Issues in Relation to Corporate Social Responsibility (2015, edited Pierre Kobel) and The Trade Marks Handbook. He is a member of the AIPPI UK Council and was appointed to the Treasury B Panel 2019.

Chancery Bar; IP Bar; CIPA; AIPPI.

Methodist College, Belfast; University of Bristol (Chemistry and Law (First)); Georgetown University (LLM (Distinction)).