James Copson


  • Education: University of Birmingham,
  • Admitted: England and Wales, 1991
  • Languages spoken: French
  • Year joined: 1989
  • Year became partner: 1998


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James has far-reaching experience in all areas of family breakdown, with a particular emphasis on the resolution of complex financial disputes, especially those of an international nature. He has an extensive command of the negotiation and drafting of pre- and post-nuptial agreements. He advises on cohabitation claims and private children law matters, to include residence and sharing of care of children and international relocation of children.

James appears in the Honours list of leading family lawyers in the Citywealth Leaders List, highlighting his '..steely negotiating skills' and marking him out as '..an effective operator..'

In recommending James as a leading family lawyer, Chambers & Partners 2014 describes him as 'a bright lawyer who is empathetic with his clients - he goes the extra mile in pursuit of his cases'. He pays meticulous attention to the crucial details whilst maintaining commercial intelligence and striking judgement in achieving sensible outcomes for his clients. Most recently, in the Legal 500 2014, James is described as a 'first-class lawyer', and in the Chambers & Partners 2015 Directory, he is described as 'very bright, very hard-working and strategic.'

He has acted for many trustees and beneficiaries on trust-related issues in divorce, and for a wide-ranging number of individuals in sport, especially in the world of football. James has particular expertise in Anglo-Italian cases.

James is also the firm's Diversity and Inclusion Partner.


  • James acted for the successful appellant in the landmark case of Wicks, which confirms current English law on interim capital arrangements in divorce.
  • Representing the successful appellant in the case of Pearce, which sets out the law on capitalisation of spousal maintenance (alimony) years after divorce.
  • Acting for the husband in BJ v MJ (with Claire Blakemore), which deals with the treatment of offshore trusts in financial claims.
  • Representing the wife in TvT, which interprets the meaning of ‘maintenance’ under European Union law.

Publications and speaking engagements

James has lectured on numerous occasions on family law topics both in England and Switzerland.


  • International Academy of Matrimonial Lawyers
  • Resolution
  • Resolution's Property, Tax and Pensions Committee
  • American Bar Association (Overseas Member)
  • Association International des Jeunes Avocats

On a personal note

James is an avid supporter of Chelsea Football Club and grew up in three countries that no longer exist.

Recent accolades and awards



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