Keith Mathieson > RPC > London, England > Lawyer Profile


Work Department



Partner. An expert in defamation and privacy law, Keith Mathieson has been defending the media for over 20 years and leads RPC’s media team. He specialises in media litigation, particularly defamation, copyright and freedom of information; and acts for national and regional newspapers, magazines, broadcasters, book publishers and media liability insurers.

Publications of note: editor of the Law Society’s ‘Privacy Law Handbook’.


Trained Lovells; qualified 1983; solicitor Lovells 1983-90; solicitor Oswald Hickson Collier 1990-92; partner 1992-97; partner Davies Arnold Cooper 1997-2000; partner Reynolds Porter Chamberlain 2000.


Glasgow Academy; Gonville and Caius College, Cambridge (1980 MA Law); King’s College, London (1997 Diploma in UK and European Law of Copyright).

Lawyer Rankings

London > Industry focus > TMT

RPC acts for leading digital platforms, insurance providers and retail businesses on matters relating to media, tech and outsourcing. On the contentious side the team handles disputes while non-contentious work involves providing regulatory advice, commercial agreements and acquisitions. Jeremy Drew is experienced in representing large tech platforms and leads the team while Oliver Bray has market-leading expertise in digital, consumer and advertising. Disputes lawyer David Cran  is experienced in arbitration with support from Keith Mathieson who is involved in media defence. Mark Crichard advises on complex tech and outsourcing contracts. SSSpecialist tech litigator Helen Armstrong has added strength on the contentious side since her arrival from Bryan Cave Leighton Paisner in 2022.

London > TMT (technology, media and telecoms) > Reputation management

(Hall of Fame)

Keith MathiesonRPC

As ‘one of the most experienced’ defendant-focused media teams, RPC comprises specialists in defamation, privacy and editorial advisory services; the firm acts for clients across all areas of the media, including national and local newspapers, broadcasters, magazines and freelance journalists. Practice head Keith Mathieson is experienced in advising on media content and defending matters pertaining to freedom of expression. Rupert Cowper-Coles has a strong track record defending leading media and tech organisations in data protection cases. Alex Wilson is regularly instructed by media organisations on matters surrounding defamation, privacy and data protection. Alex Vakil acts on behalf of broadcasters, online platforms and publishers in a variety of contentious reputation and data matters.

London > TMT (technology, media and telecoms) > Media: Theatre, publishing and other media

(Hall of Fame)

Keith Mathieson – RPC

RPC is a regular advisor to leading national and local newspapers, web and book publishers, broadcasters, magazines, tech and freelance journalists, and media liability insurers. Team head Keith Mathieson is an expert in defamation and privacy claims; he has notable expertise with regards to press regulation, having acted for Associated Newspapers throughout the Leveson Inquiry. Experienced litigator Rupert Cowper-Coles specialises in data protection disputes. Promoted to partner in mid-2022 alongside solicitor-advocate Alex Vakil, Alex Wilson is often instructed to provide pre-publication advice and has represented clients in cases before the High Court, Court of Appeal and Supreme Court.