James Segan KC > Chambers of Monica Carss-Frisk KC and Anthony Peto KC > London, England > Lawyer Profile

Chambers of Monica Carss-Frisk KC and Anthony Peto KC
Blackstone Chambers
Blackstone House, Temple

Living Wage


General commercial, public and human rights, employment, financial services; EU and competition; telecommunications; media and entertainment; and sport. Full professional career details can be found at www.blackstonechambers.com.


Qualified 2004; Inner Temple.

Lawyer Rankings

London Bar > Sport

(Leading Silks)Ranked: Tier 3

James Segan KCBlackstone Chambers ‘If you want help winning a case, get this guy.’

London Bar > Telecoms Regulation

(Telecoms (Regulatory) - Leading Silks)Ranked: Tier 1

James Segan KCBlackstone ChambersJames has excellent knowledge of the broadband industry and its regulator. He is able to speak authoritatively about relevant law and the relevant market, and is excellent at advising the client on these matters in a simple, easy to follow and commercial manner.

The barristers at Blackstone Chambers often represent the likes of Vodafone and Ofcom, among other major communication operators and regulators in the space. James Segan KC is representing Lenovo in InterDigital v Lenovo, a global FRAND licensing action in connection with Motorola and Lenovo smartphones. Segan is also acting for the Chinese technology company in IP Bridge v Huawei, another high-profile FRAND licensing action in relation to Huawei mobile devices. Acting for Three UK, Brian Kennelly KC reached a successful outcome, having the General Court annul the Commission’s decision to block a merger between Three UK and O2 UK, estimated at £10.25 billion.

London Bar > Media and entertainment

(Leading Silks)Ranked: Tier 4

James Segan KC – Blackstone ChambersJames is very thorough with both his attention to detail on factual matters and analysis and application of the relevant law.

Blackstone Chambers ‘remain the leading set for contentious work in music and the wider entertainment industry‘ with ‘superb strength in depth‘, acting for artists, production companies, and publishers in disputes relating to licensing, royalty, and copyright claims. Tom Weisselberg KC, considered a ‘superb advocate‘, successfully represented Rudimental in a copyright dispute over the drum and bass act’s 2013 single “Waiting all Night”. In Warner Music v TuneIn, Robert Howe KC acted on behalf of the defendant in proceedings concerning TuneIn’s global internet radio station platform, with the case covering wider public right issues and the way in which these apply to hyperlinks. In addition, James Segan KC acted in British Beer and Pub Association and UK Hospitality v Phonographic Performance Ltd, defending a reference regarding a revised tariff for “Specially Featured Entertainment” applicable to the nightlife and hospitality sectors before the Copyright Tribunal.

London Bar > Intellectual property

(Leading Silks)Ranked: Tier 4

James Segan KCBlackstone ChambersA phenomenally effective advocate, who is clear, concise and highly persuasive – the go-to person for the intersection between IP and wider commercial disputes.

Fielding ‘an extremely strong roster of counsel‘, Blackstone Chambers is best known for soft IP matters, but it is also sought out for hard IP-related work. In recent highlights, Michael Bloch KC represented two automobile manufacturers in registered design rights cases concerning new and vintage vehicle designs; James Segan KC, who appears regularly before the Patents Court as well as the Copyright Tribunal, acted for Lenovo against InterDigital in a global FRAND licensing action that related to Motorola and Lenovo smartphones.

London Bar > Administrative law and human rights

(Leading Silks)Ranked: Tier 3

James Segan KCBlackstone Chambers ‘James has a perfect command of the law in his field. A truly impressive advocate.’

London Bar > Public procurement

(Leading Silks)Ranked: Tier 2

James Segan KCBlackstone Chambers ‘James is an expert on public procurement. He provides very commercial and practical advice, which is perfect for disputes in this area.’


Blackstone Chambers is well-known for its solid public procurement offering. James Segan KC stands out for his expertise in handling procurement instructions from clients in the telecoms and IT sectors, and the set is widely recognised for its strength in handling energy sector mandates. The senior end of chambers was strengthened by the appointment of Hanif Mussa KC to silk in March 2022.

London Bar > Competition

(Leading Silks)Ranked: Tier 3

James Segan KCBlackstone ChambersJames is a supremely gifted advocate and strategist. He is always calm, organised and his analysis cuts through complex masses of detail to the core of the matter at hand. His advocacy style is forensic, crisp and unflappable, ultimately being very effective.

Blackstone Chambers offers a wealth of competition experience with members having appeared in many of the landmark cases in both domestic and European courts, operating at the forefront of regulatory enforcement and private damages actions in the UK. Brian Kennelly KC represented the tech giant in Kent v Apple, defending an abuse of dominance allegation concerning the fees for Apple’s App Store before the Competition Appeal Tribunal. James Segan KC has particular expertise in global FRAND matters, which he deployed in InterDigital v Lenovo, representing the latter on a licensing action relating to Motorola and Lenovo smartphones. Emily Neill acted for Bank of America in a damages claim brought by various financial institutions for alleged FX market manipulation.

London Bar > European Union law

(Leading Silks)Ranked: Tier 3

James Segan KCBlackstone ChambersJames is a truly outstanding silk. He is always well-prepared and totally on top of his brief while giving sound commercial advice. His advocacy is second to none, dealing with questions from the bench seamlessly and producing submissions which are always well-structured and persuasive.