• Lunds universitet, jur kand, 1997


  • Visiting lawyer, Herbert Smith, London 2005
  • Visiting lawyer, Essex Court Chambers, London 2005
  • Hovrättsfiskal 2000-2001
  • Hovrättstjänstgöring 1999-2000
  • Tingstjänstgöring 1997-1999



Mattias Rosengren offers advice to both domestic and international clients, covering various issues such as bankruptcy and insurance disputes. One client describes him as 

"responsive and a strategic thinker," adding that "he is extremely bright and his case-handling skills are very impressive."

Chambers & Partners 2021 

Mattias Rosengren offers advice to both domestic and international clients, covering various matters including natural resources disputes and bankruptcy and insurance claims. - Chambers & Partners 2020

Clients appreciate that he gives "very thoughtful and well-considered advice, is very astute and has absolute control over the case." - Chambers & Partners 2019

Mattias Rosengren is highlighted for his "ability to understand complicated structures" and handles disputes in a number of technical areas such as financial services and energy. Clients emphasise he can "identify and focus on the key issues." - Chambers & Partners 2018

Mattias Rosengren specialises in commercial arbitration but offers broad experience of disputes and litigation in the financial services, energy and telecommunications sectors. Clients describe him as "extremely clever," whilst also praising his "solid business knowledge." - Chambers & Partners 2017

Mattias Rosengren has experience in a broad range of disputes, including arbitration and regulatory framework proceedings. His clients include companies from across the energy, construction, insurance and manufacturing sectors. - Chambers & Partners 2016

Mattias Rosengren is described by his clients as "a rising star who is both intelligent and strategic - and what is brilliant for us is that you can really trust him to give you the best advice." - Chambers & Partners 2015