Shail Patel KC and William Harman succeed in Court of Appeal decision on withholding disclosure
On 5 December 2025, the Court of Appeal handed down a major…
Legal 500
“A remarkable barrister who is not only consistently on top of the detail and willing to get ‘stuck in’, but he thinks creatively and strategically and adds value throughout.”
Will Harman specialises in commercial litigation and arbitration. His broad practice encompasses business disputes, civil fraud, professional liability and sports law.
“Will’s knowledge and expertise is formidable. A huge asset to any team.” – Legal 500
“He has a sharp intellect with the ability to think very quickly on his feet.” – Chambers & Partners
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Will acts in a range of complex commercial disputes before courts and international arbitral tribunals. His work has a particular emphasis on financial services litigation, shareholder disputes and commercial group actions.
Alongside his busy practice, Will co-authored the banking and arbitration chapters in the fourth edition of Toulson & Phipps on Confidentiality.
Featured Commercial Dispute Resolution cases
Will is a member of COMBAR.
Will is ranked as a leading barrister for civil fraud by Legal 500.
He acts in the full range of dishonesty claims and has a particular interest in securities fraud having been involved in nearly every group action under ss. 90 and 90A FSMA issued in the UK in recent years.
Featured Civil Fraud cases
Will is a member of the Commercial Fraud Lawyers Association.
Will is ranked as a leading barrister for professional negligence by Legal 500.
He has extensive experience in a wide range of professional liability work, with a particular emphasis on claims against solicitors, barristers and accountants.
As a co-author of Toulson & Phipps, he has particular expertise in confidentiality and privilege issues arising from professional retainers.
Featured Professional Liability cases
Will has also appeared in the SDT in regulatory proceedings following the administration of a well-known law firm.
Will is ranked as a leading barrister for sports law by Chambers & Partners and Legal 500.
He receives instructions in a range of matters involving the sports industry with a particular focus on anti-doping, match fixing and financial fair play. Will is also regularly instructed in complex commercial disputes with a sports context.
Featured Sports Law cases
Will is a member of the British Association for Sports Law.
Before joining 4 New Square, Will undertook the Bar Professional Training Course (graded Outstanding) and the Graduate Diploma in Law (with Distinction) at City Law School. He was called to the Bar by Lincoln’s Inn as a Lord Denning Scholar, Hardwicke Scholar and Buchanan Prize winner.
Will previously worked as a journalist in Rome covering the 2013 Italian election. He also holds a first class degree in Modern and Medieval Languages from the University of Cambridge, where he received the prize for the best performance in Italian.
Education – BA, Cambridge (First Class Honours); GDL, City (Distinction); BPTC, City (Outstanding)
Memberships –COMBAR, CFLA, PNBA, BASL
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