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Hendersons - Barristers' Chambers

Thomas Mallon (Third Six Pupil)


Thom is a Third Sixth pupil and accepts instructions across the range of Chambers’ practice areas.

He has extensive trial experience, having appeared—unled but with success—in the Intellectual Property Enterprise Court and the criminal courts, and has wide litigation experience in the High Court and the Court of Appeal, including large group action litigation.

He is the winner of both the Oxford International IP Moot, and the Middle Temple Rosalind Smith Moot. After earning a distinction on the GDL he was granted the prestigious Quatercentenary Scholarship by Middle Temple to fund his BPTC studies.

Before coming to the Bar Thom worked on trading desks in New York and Tokyo. He also earned an MA in Economics from the University of Tokyo and speaks fluent Japanese.





Thom has experience across a range of high-value commercial matters, including share-holder disputes, standard issues of contractual interpretation and exclusions clauses, breaches of fiduciary duty, and allegations of fraud. He accepts all commercial instructions.

Finance and Insurance

Thom has experience in claims involving the Consumer Credit Act 1974 and the application the FCA Handbook, as well as the specific requirements of interpretation of contracts of insurance.

Amongst other cases, Thom has assisted leading Counsel in a claim in which the Claimant sought to take action against their insurer using legal insurance provided by that very insurer.

Thom also has significant personal experience in the financial sector, having worked as a trader for many years.

Group Actions and Product Liability

Thom has assisted on some of the largest product liability and group action disputes, including the Volkswagen NOx Emissions litigation.


Thom has appeared before the Employment Tribunal in claims for unfair dismissal and discrimination.

Intellectual Property

Thom has won at trial before the Intellectual Property Enterprise Court, dealing with claims for breach of copyright, design right, and fiduciary duty.


Instructing Thomas Mallon (Third Six Pupil)

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  • BPTC, City University
  • Middle Temple Quatercentenary Scholarship
  • GDL, City University (Distinction)
  • MA Economics, University of Tokyo
  • Japanese Government MEXT Scholarship
  • BA (Hons) English, University of Oxford

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