LAWYER PROFILE
James Oldnall

James Oldnall

UK 2026

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Ranked in 1 practice area

About

Provided by Milberg London LLP

Practice Areas

James Oldnall has extensive experience in complex commercial and corporate litigation, large-scale litigation and class actions/group litigation, high net worth disputes and funded cases. His clients include financial institutions, corporates, private equity funds and high net worth individuals. James is one of the few practitioners with experience of Representative Actions under CPR 19.8 (including the leading Supreme Court case), Group Litigation Orders under 19.21 and Collective Proceedings Orders in the Competition Appeals Tribunal.

James is Managing Partner of Milberg London.

Career

Associate, Dentons Kensington Swan, 2002, Associate, Freshfield Bruckhaus Deringer, 2007; Senior Associate, Clyde & Co, 2007 to 2011; Legal Director and Partner, Mishcon de Reya, 2011 to 2020; Managing Partner Milberg London 2020 to present.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Group Litigation: Claimant - UK-wide

Band 2
Band 2

Individual Editorial
James Oldnall is highly adept at handling large opt-in group actions on behalf of claimants. He often brings actions against large corporates in matters surrounding data protection, competition law and product liability.

Strengths

Provided by Chambers

  • James is very high-quality commercial litigator with really good knowledge of litigation funding and the commercial reality of cases. He is very robust and deals with cases in a very pragmatic way.

    Group Litigation: ClaimantChambers Guide to the Legal Profession

Ranked Individuals at Milberg London LLP (5)

London (Firms)

  • Profile image of Natasha Pearman
    Natasha Pearman

    Competition Law: Private Enforcement: Claimant

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UK-wide

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