James has over 30 years of experience in IP. He's recognised as one of the UK's leading patent litigators, and is best known for his work in the technology and life sciences sectors.

Although the majority of James' work is in patent litigation across the telecoms, pharmaceuticals and life sciences sectors, he regularly advises on non-contentious cases with a high degree of technical complexity.

James has worked on numerous trade secrets claims and contractual disputes. He's also experienced in licensing and other transactional matters involving IP. Clients describe James as commercially-minded and easy to work with.

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Latest news & insights

Patents & innovation

Transceiver - Autumn 2018

15 November 2018

by multiple authors

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Patents & innovation

Further analysis: Unwired Planet v Huawei

15 November 2018

by James Marshall

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Telecommunications

Unwired Planet: The English Court of Appeal upholds the first instance decision - only a global licence was FRAND

23 October 2018

by James Marshall and Chris Thornham

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Coronavirus

Advertising: Who will get it right during COVID-19?

28 May 2020
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