Jeremy Mash

Jeremy Mash


CMS Cameron McKenna Nabarro Olswang LLP
Cannon Place
78 Cannon Street
United Kingdom
Languages English

Jeremy Mash is a partner in the Dispute Resolution Team at CMS London.  Jeremy Mash has 20 years of experience in conducting commercial litigation and international arbitration. He regularly advises clients on IT/telecoms, financial services and corporate disputes with values in excess of GBP 100m. Clients include some of the world's largest IT services companies, telecoms operators, banks, retail companies and manufacturers.

more less

"The practice ‘always delivers’…….. Jeremy Mash is recommended."

Legal 500, 2015

"Identified as a key player in technology, media and real estate disputes. Highly regarded for its large-scale litigation capacity and ability to take on challenging mandates. Stable client base includes numerous household names. Jeremy Mash is praised for his availability and accessibility. Sources also point to his ability to deliver pragmatic advice."

Chambers, 2014

"Jeremy Mash is recommended."

Legal 500, 2014

"Jeremy Mash is 'a star'."

Legal 500, 2013

"Jeremy is highly rated."

Legal 500, 2013

Relevant experience

  • A Leading IT services supplier on a GBP 300m dispute with a UK mobile operator relating to transformation of legacy IT infrastructure.
  • Shareholders in USD 500m dispute relating to shares in one of the largest construction companies in the Middle East.
  • A Leading sports car manufacturer on a dispute relating to the design and development of a racing engine.
  • The BBC on challenges to the reforms implemented to address its GBP 3bn pension deficit.
  • Kaupthing on a EUR 3bn portfolio of derivatives and structured finance disputes following the Icelandic banking crisis of 2008.
  • The Defendants in the Masri v Consolidated Contractors litigation relating to cross-border enforcement of judgments.
more less


  • 1999 – Admitted as a solicitor in England and Wales
  • 1997 – LPC, College of Law
  • 1994 - BA Hons, Oxford University, Oxford
more less


Show only
Li­cence to use elec­tron­ic­ally sup­plied soft­ware is not “sale of goods”...
The Court of Ap­peal has ruled that the pro­vi­sion of a li­cence to use elec­tron­ic­ally sup­plied soft­ware does not con­sti­tute a “sale of goods” for the pur­poses of the Com­mer­cial Agents (Coun­cil Dir­ect­ive) Reg­u­la­tions 1993 (the “Reg­u­la­tions”).