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Jonathan Crompton focuses his practice on representing global financial institutions, multinational corporations, asset managers and investment advisors in cross-border litigation and contentious regulatory matters.

Mr. Crompton represents his clients in proceedings before the courts of Hong Kong (appearing as advocate where appropriate) and England and Wales, as well as in arbitral proceedings, helping his clients to obtain a wide range of interlocutory and final relief. In his contentious regulatory practice, Mr. Crompton represents clients in regulatory investigations by the Hong Kong Securities and Futures Commission into alleged market misconduct and regulatory infringements, and before the Hong Kong Police.

Mr. Crompton presents at conferences and has published articles on data privacy and cyber security, the effective use of electronic discovery and the impact of the U.K. Bribery Act and U.S. Foreign Corrupt Practices Act, among other things.

Significant Representations

  • A global financial institution on a dispute (with proceedings before the English and PRC courts) involving a foreign exchange hedge transaction with a mainland Chinese counterparty.
  • An Asian-based asset manager with over US$500 million in AUM in a complex hedge fund start-up dispute in the High Court of Hong Kong, including claims for declaratory relief and damages and related unfair prejudice and statutory derivative proceedings.
  • A Middle Eastern sovereign pension fund in a dispute with its investment manager over the return of US$100 million, including investigations by the SFC and the Hong Kong Police and proceedings before the Royal Court of Jersey.
  • A global financial institution on numerous regulatory enquiries by the Hong Kong Securities and Futures Commission and related civil disputes concerning the sale of financial derivative products to private wealth clients.
  • An investment fund with over US$2.5 billion in assets under management in a dawn raid and subsequent investigation by the SFC into alleged market misconduct.
  • An international IP rights company in an arbitration against a manufacturer for breach of an exclusive distribution agreement.


King’s College London, LL.B. (Hons), 2002

Bar Admissions/Qualifications

England and Wales
Hong Kong


Law Society of England and Wales
Law Society of Hong Kong