Peter Rosher Photo

Peter Rosher is a dual qualified (English Solicitor/French Avocat) lawyer with nearly 30 years’ of experience in International Arbitration advising clients on contentious issues as well as providing extensive advisory services in relation to "live" major projects.


  • King's College London, 1994, MSc
  • Leicester University, 1987, LL.B.

  • Paris
  • England und Wales

  • Solicitor Advocate Civil Advocacy (All Higher Courts)

  • Appointed vice-president of the Paris Arbitration Week (PAW) Organizing Committee

  • Französisch
  • Englisch


  • Ranked in Chambers Europe for France International Arbitration, 2021
  • Ranked in Chambers Global for France International Arbitration, 2021 
  • Awarded Plume d'Argent (Silver Prize), in the ‘International Issues And Business Affairs - professional press’ category, Business & Legal Forum 2020 
  • Ranked in the Global Guide, Who’s Who Legal: Arbitration 2021
  • Ranked as a Commercial Arbitration Expert in Euromoney’s Expert Guide 2020 
  • Legal 500 France 2020 notes that "Peter Rosher has a hands-on, pragmatic approach and a sharp strategic eye." 
  • Recognised by GAR and Who’s Who Legal 2020 as a top international arbitration lawyer globally and in France
  • Ranked as a leading Commercial Arbitration lawyer for France by Euromoney's Expert Guide 2019
  • Selected through peer review for inclusion in The Best Lawyers™ in France for Construction Law and International Arbitration, 2020-2021
  • Who’s Who Legal 2019 ranks Peter as an expert in the fields of construction and international arbitration: “Peter Rosher stands out in the French construction market for his impressive work handling complex disputes in international arbitration proceedings”.  Peter “draws acclaim as ‘extremely good counsel deserving of recognition’”. Clients say he “is able to identify important issues quickly – and how to deal with them”.
  • Legal 500 EMEA 2019 notes that “thanks to Peter Rosher, the practice is also well known for its construction arbitration ability and is handling significant cases in that area”. 
  • Legal 500 2017 ranks Peter as a leading lawyer for international construction dispute work: “[Peter Rosher is a] ‘very client-oriented lawyer who gets the job done’ and ‘an excellent tactician with a sharp legal mind’”. He is quoted as ‘responsive, trusted and incisive’.

Notable Quotes

  • 17 June 2020 "Paris Arbitration Week offers glimpse of virtual future" Commercial Dispute Resolution