Jonathan Moss

Year called:
Practice areas:
IP, Patents, Copyright & Design, Trade Marks, IT, Media & Entertainment, Privacy

"He is our go-to person because he is particularly robust in his advice."  Chambers & Partners 2020

“Exceptional on his feet.” “He has a fiercely sharp mind which he wields expertly in court."  Chambers & Partners 2019

"He is a confident and measured advocate, and an incredibly quick thinker."  Chambers & Partners 2018

"A terrific advocate."  Chambers & Partners 2016

"He's a brilliant junior. If you want a pleading done, you know he'll do a tip-top job out of proportion to his level of call."  Chambers & Partners 2015



Prior to coming to the Bar, Jonathan gained joint honours in Chemistry and Law at the University of Bristol. He then undertook an LL.M (Distinction) at Georgetown University in Washington DC focusing on US Intellectual Property, Antitrust and Private International Law. During his studies Jonathan was awarded the highest overall mark in Law, as well as prizes for finishing first in Intellectual Property, Private International Law, Advanced Contract and Tort.

After successfully passing the New York Bar exam in 2007 he worked for 2 years as a US Attorney at the US firm Mayer Brown. Whilst at Mayer Brown he worked in the Intellectual Property group and spent time seconded to Rentokil Initial PLC and Sega (Europe) Ltd. Whilst on secondment in-house he was exposed to a wide range of general commercial and intellectual property law matters.

Shortly after accepting tenancy at Hogarth, Jonathan spent 5 months with Powell Gilbert LLP where he worked on a number of cases, but primarily on the Apple v HTC smartphone litigation.

Due to his dual US/UK qualification, Jonathan is developing a significant cross-border practice in matters where there is an overlap between US and UK law. He also specialises in jurisdiction and conflict of laws matters relating to IP. Jonathan has acted as one of the barristers representing the claimants in the phone-hacking litigation against the News of the World and the Mirror Group.

In 2012 Jonathan was awarded the AIPPI UK prize for best young contributor for his work in relation to the harmonisation of design laws. In 2014 he was appointed to the AIPPI UK Council. He is a standing member of AIPPI International’s IP and the Internet Committee.

In 2013 Jonathan acted as the UK Rapporteur to the International League on Competition Law, reporting on the crossover between competition and IP laws.

In 2019 he was appointed to the Treasury B Panel to advise the government on Intellectual Property and Commercial matters. Jonathan had previously been appointed in 2014 to the Treasury C Panel.

In 2020 he was nominated for Junior IP Barrister of the Year at the Managing IP Awards.

During the London Olympics Jonathan was selected to advise LOCOG on Intellectual Property and Brand Management matters. 

Directory & Testimonial Quotes

Legal 500 2021
Intellectual Property: 
"Very personable and well informed"
Media and Entertainment: "A commercially pragmatic barrister who has the ability to think outside the box"

Chambers & Partners 2020
Intellectual Property: 
"He engages well with the subject matter and is keen to look for commercial solutions: he has a good eye for where the heart of the case lies."

Legal 500 2020
Intellectual Property:  "A thoughtful barrister, he is responsive and easy to work with."

Chambers & Partners 2019
Intellectual Property: "Exceptional on his feet.”

“He has a fiercely sharp mind which he wields expertly in court."

Chambers & Partners 2018
Intellectual Property: "He is a confident and measured advocate, and an incredibly quick thinker."

Chambers & Partners 2017
​Intellectual Property: "He is always very helpful and pragmatic in the advice he gives."  

"He is very commercial and has an excellent depth of experience."

Chambers & Partners 2016
Intellectual Property: "He has been enthusiastic and commercial in his advice, is clearly extremely bright and has strategic vision."

"A terrific advocate."

Chambers & Partners 2015
Intellectual Property: "He's a brilliant junior. If you want a pleading done, you know he'll do a tip-top job out of proportion to his level of call." and “Jonathan Moss has a broad practice which includes chancery and commercial contracts work in addition to IP. He is strongly recommended for his command of trade mark and design infringement matters.”



Jonathan specialises in Intellectual Property but his practice encompasses broader aspects of commercial law. His experience includes patent litigation (UK and EPO), trade marks, passing off, copyright, design right, confidential information, defamation, privacy and general contractual. He has also been involved in a significant number of ex parte search orders and freezing injunctions.

Jonathan regularly appears in the High Court, in the Intellectual Property Enterprise Court, the Court of Appeal and the Trade Mark Registry. In commercial matters Jonathan has appeared in the Mercantile Court and in the Commercial Court. Jonathan has also appeared as sole advocate numerous times in the General Court and the Court of Justice. He is also one of the only advocates to have ever appeared in an oral hearing at the EUIPO.

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 has contributed articles to the CIPA Journal and the Journal of Intellectual Property Law and Practice.

He is currently writing a book on Damages and Remedies in Intellectual Property Law.

Jonathan is regularly asked to give talks and seminars on a wide range of IP and international IP matters and has been invited to speak at various conferences throughout the UK as well as international conferences in Sydney, Nuremburg, Hamburg, Milan and Washington DC.



Intellectual Property Bar Association

Chancery Bar Association

Competition Law Association

New York State Bar Association



Qualifications and Regulations


BSC (Joint Honours, Chemistry and Law), 2006 Bristol University
LLM (Distinction), 2007 Georgetown University

Called to the Bar, Inner Temple, 2009
New York Bar, 2008



Jonathan is a self-employed, independent barrister whose practice is governed by the Code of Conduct of the Bar of England and Wales. He is registered with the Bar Standards Board of England and Wales (Bar Ref: 68592).
He has professional indemnity insurance provided by the Bar Mutual Indemnity Fund (BMIF Ref: 2190/057). Please refer to the BMIF website for full details of the world-wide cover provided, and the BMIF’s contact details.


Human Interest

Jonathan regularly plays hockey and football and also enjoys skiing and squash. He is a competitive collectible card game player and has finished in the top 10 in both National and European championships. Having lived in Washington DC, he has a keen interest in US politics and history.