James Howarth > Howes Percival LLP > Milton Keynes, England > Lawyer Profile

Howes Percival LLP

Work Department

Intellectual property


James helps clients with intellectual property law and media issues. With a particular focus on contentious matters, he has extensive experience of disputes involving trade marks, passing off, copyright (whether artistic, literary or software), database rights, design rights, patents and domain names. 

His practice also regularly features work involving defamation, privacy and data protection issues (including interim injunction applications and the ‘right to be forgotten’). 

James has acted for major corporations, SMEs and private individuals in various forums including the High Court, the Intellectual Property Enterprise Court, the UK Intellectual Property Office and WIPO.

Having trained as a lawyer after a career in publishing, James joined the IP/IT team at Howes Percival as a partner in October 2015. He is primarily based in the firm’s Milton Keynes office, but looks after clients in locations across the UK.


Trainee solicitor, Manches (2005 – 2007); Solicitor, Manches (2007 – 2009); Associate, Manches (2009 – 2011); Senior Associate, Manches (2011 – 2013); Senior Associate, Penningtons Manches (2013 – 2015); Partner Howes Percival 2015 to date.


University of Wales, Swansea, BA in English Literature (1993 – 1996); University of York, Masters in Renaissance Literature; College of Law, Birmingham, PgDL in Legal Studies, General (2002 – 2004); University of Oxford, Diploma in Intellectual Property Law and Practice.

Lawyer Rankings

South East > TMT (technology, media and telecoms) > Media and entertainment

(Leading individuals)

James Howarth  – Howes Percival LLP

Often entrusted by the Tolkien Estate, the former Maier Blackburn LLP team joined Howes Percival LLP‘s practice in 2024 and has a wealth of expertise in media law as well as merchandising, the team also enjoys a substantial presence in the creative industries. Cathleen Blackburn is a key port of call for cross-border copyright and academic publishing. Steven Maier’s core strengths lie in privacy and libel disputes in addition to matters pertaining to copyright, domain names and trademarks. Elsewhere in the firm, James Howarth leads the contentious sphere and is experienced before the Media & Communications List of the High Court, while Jenna Bruce leads the non-contentious side from Northampton and is frequently engaged in drafting rights agreements.

South East > TMT (technology, media and telecoms) > Intellectual property

Howes Percival LLP, which gained the practice from Maier Blackburn LLP in early 2024, is principally focused on the creative industries and possesses thorough expertise in media law in addition to film, TV, videogames as well as merchandising. Steven Maier and Cathleen Blackburn are both based in Oxford, the former is knowledgeable of domain names and trade marks, while the latter is strong in cross-border copyright and in trade and academic publishing. James Howarth in Milton Keynes frequently acts for high-tech manufacturers and co-leads the team alongside Matthew Talbot in Leicester. Kavita Raikundalia is also based in Milton Keynes and is adept in design filings and trade mark strategy.