Thomas de la Mare QC > Chambers of Monica Carss-Frisk QC and Anthony Peto QC > London, England > Lawyer Profile

Chambers of Monica Carss-Frisk QC and Anthony Peto QC
Blackstone Chambers
1 Garden Court, Temple

Living Wage


Barrister specialising in administrative and public law, EU and competition, human rights, commercial litigation, commercial employment, civil fraud, media, privacy and entertainment and sports law. Full professional career details can be found at


Qualified 1995, Middle Temple; QC 2012.

Lawyer Rankings

London Bar > Civil liberties and human rights (including actions against the police)

(Leading Silks) Ranked: Tier 4

Thomas de la Mare QCBlackstone ChambersInnovative in his thinking; on human rights matters he has gone out of his way to give value to the clients because he knows he is on the right side and they will not be able to proceed with their fight otherwise.

London Bar > Environment

(Leading Silks) Ranked: Tier 3

Thomas de la Mare QCBlackstone ChambersA brilliantly creative mind full of ideas, he is super-bright and laser-sharp.

Blackstone Chambers is ‘the leading public law practice’ and clients note that ‘the variety of people it has is helpful when considering who would be a good fit for a particular matter’. The set handles the full scope of environmental law cases, drawing in great depth of expertise in public, regulatory, local government, competition, energy, EU, procurement, planning and civil liberties law. Members continue to be involved in high-profile cases, including the group action against Volkswagen Group Limited concerning the use of defeat devices to mask pollution from its diesel cars, in which Thomas de la Mare QC is taking a lead role. Among the juniors, Emma Dixon remains a prominent practitioner in environmental law, and she is currently involved in a landmark air pollution case, R (ClientEarth) v Secretary of State, in both the Supreme Court and in the European Court of Justice, arguing for a declaration that the UK is in breach of EU air quality limits for nitrogen dioxide in London and other major urban areas.

London Bar > Data protection

(Leading Silks) Ranked: Tier 2

Thomas de la Mare QCBlackstone ChambersA real depth of knowledge of EU law combined with mastery of complex facts makes him a formidable advocate.

Blackstone Chambers acts in a wide range of data protection and FOIA cases. Key practitioners include James Eadie QC and Thomas de la Mare QC, and Kate Gallafent QC who is recommended for information privacy work. Ravi Mehta continues to act for Big Brother Watch, Open, Rights Group, and English PEN, and a prominent German internet campaigner in Big Brother Watch and ors. v United Kingdom, which relates to an application to the European Court of Human Rights challenging the UK’s legislation governing the surveillance of communications, following the Edward Snowden leaks.

London Bar > Administrative and public law (including elections)

(Leading Silks) Ranked: Tier 2

Thomas de la Mare QCBlackstone ChambersHe is innovative in his thinking.

London Bar > Competition

(Leading Silks) Ranked: Tier 1

Thomas de la Mare QCBlackstone ChambersHe is a leader in this area and really knows his stuff. He was one of the first barristers to really see the potential of group and class actions.

London Bar > Sport

(Leading Silks) Ranked: Tier 3

Thomas de la Mare QCBlackstone ChambersThe go-to silk for competition and Brexit issues impacting the sports sector.

Widely considered as ‘leaders in the field’, Blackstone Chambersremains the go-to set for all sports law matters’ from governance and regulation through to employment, human rights and commercial exploitation matters. Nick De Marco QC is a specialist in sponsorship, competition, personal injury and financial fair play matters, among many others; he representing Newcastle United its ownership dispute with the Premier League, as well as advising several Premier League clubs on the “Project Restart” resumption of the 2019-20 season. Kate Gallafent QC and Celia Rooney successfully defending the FAW in a challenge to its decision to terminate the 2019-20 Cymru Premier brought by The New Saints, who were four points behind Connah’s Quay Nomads with six games left in the title race when the season was ended. Away from football, Adam Lewis QC advised Premiership Rugby on its response to the Covid-19 pandemic, and Thomas de la Mare QC and Rooney represented Racing Point in the investigation in to the team’s 2020 Formula One car, which featured brake ducts, among other parts, that replicated the previous year’s championship-winning Mercedes W10.

London Bar > Media and entertainment (including art and cultural property)

(Media and entertainment - Leading Silks) Ranked: Tier 4

Thomas de la Mare QCBlackstone Chambers

London Bar > European Union law

(Leading Silks) Ranked: Tier 1

Thomas de la Mare QCBlackstone ChambersTom is pre-eminent in the field, entrusted by clients and plainly highly respected by the tribunals before whom he appears.