Mark has over 18 years' experience of complex high value commercial and cross-border fraud litigation, acting for FTSE100 companies, banks, hedge funds and ultra-high net worth individuals. Mark is familiar with obtaining, executing and challenging injunctions, worldwide freezing orders and search and seizure orders. He has acted for and against parties based in the Middle East, Russia and the former CIS countries, and most of his cases have an international element.

Mark worked as a lead associate on six of The Lawyer's "top cases of the year" (2010 to 2020) and is recommended in Legal 500 for Commercial Litigation, Civil Fraud and Product Liability Litigation..

Mark is known as an expert in the field of electronic disclosure and document review and the related practical and legal issues (including privilege, cross-border data protection rules and privacy regulations).


Acting for GlaxoSmithKline in its successful defence of a large product liability group action in relation its antidepressant, Seroxat

Acting for Dixons Carphone plc in its dispute with McAfee which involved an interim injunction and a claim for damages in excess of $30 million

Advising a UK insurance company in its claim for unlawful termination and related breaches of an IT services contract against a software company in the English Commercial Court

Acting for one of the largest property development companies in the Middle East and a Bahraini investment bank in a US$1 billion Commercial Court claim involving allegations of conspiracy and breach of confidence

Obtaining freezing and search orders against a director of a leading hedge fund to recover the misappropriated proceeds of a private equity investment in Russia


Recommended in Legal 500 UK since 2016 for civil fraud, commercial litigation and product liability.

"Next Generation Partner" 
Legal 500 UK (2019) – Product Liability: Defendant

"A lawyer's lawyer and great to work with" 
Legal 500 UK (2018)

"class act"
Legal 500 UK (2017) – Product Liability: Defendant

"seasoned fraud litigator"
Legal 500 UK (2017) – Fraud: Civil

"'Bright, hardworking and committed' Legal Director Mark Chesher is recommended"
Legal 500 UK (2016)