Thomas Klemme

Partner

London

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Thomas Klemme is a Partner in the Private Wealth Disputes team. He is a skilled and commercially astute litigator specialising in high-value contentious trusts and estates as well as art and cultural property disputes. Thomas acts for individuals, families, trustees, beneficiaries, art dealers, and collectors — both in the UK and internationally — on a wide range of complex and sensitive matters involving private wealth.

Thomas has a particular specialism in advising clients on reputationally sensitive matters where family dynamics, fiduciary responsibilities and trust and estate administration are in dispute. His work includes:

  • Breach of trust claims
  • Applications for directions or the removal of trustees
  • Applications under the Variation of Trusts Act 1958
  • Applications for rectification and rescission
  • Will disputes
  • Inheritance (Provision for Family and Dependants) Act 1975 claims
  • Administration of contentious estates
  • Professional negligence arising out of the above

He has extensive experience litigating claims through to trial in the High Court and the Court of Appeal, and is known for his strategic, pragmatic, and client-focused approach.

Thomas is an associate member of the Association of Contentious Trust and Probate Specialists (ACTAPS) and a member of the Contentious Trusts Association (ConTrA).

He is recognised by Legal 500 2026 as “a brilliant lawyer” and “one to watch”, and was also named one of eprivateclient’s 2025 ‘NextGen Leaders’.

Thomas is a regular speaker at conferences and a contributor to leading industry publications, writing on topics including proprietary estoppel, inheritance disputes, and the regulation of the art market, with recent commentary published in the Financial Times, In Trust Magazine, and Christie’s Bulletin for Professional Advisors.

Expertise

Office

London Office

Quastels LLP,
Second Floor South,
55 Baker Street,
London, W1U 8EW

Please note we have recently relocated. Please ensure any post is sent to the above address.

Phone: +44 (0)20 7908 2525

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