Mattias Rosengren is a partner in Vinge’s Dispute Resolution Group. He specializes in commercial arbitration and litigation and has represented clients in numerous Swedish and international proceedings. He also sits as an arbitrator. Mattias has acted in disputes governed by Swedish as well as foreign and international law and has conducted arbitrations under a number of different rules, including the SCC, ICC, LCIA and UNCITRAL rules. He has also conducted cases at all Swedish court levels, including the Supreme Court. Mattias’ experience covers a wide range of areas and industries, including, among others, energy, forestry, telecom, insurance, construction, manufacturing, services, licensing, securities, joint ventures, professional liability and disputes arising from mergers and acquisitions.
Mattias is a member of the Board of the Arbitration Institute of the Stockholm Chamber of Commerce, and he was also previously a member of the Executive Committee of the Swedish Arbitration Association.
Mentions
"Mattias Rosengren is a truly outstanding lawyer and formidable practitioner. He is extremely bright, immensely knowledgeable and brings an absolute wealth of experience to the table. An exceptional senior adviser and a leader in the field." Legal 500, 2025
"Mattias possesses an outstanding knowledge and experience paired with a hands-on approach." Chambers & Partners 2025
"Mattias is a truly outstanding lawyer and litigator who is exceptionally skilful." Chambers & Partners 2025
‘Mattias Rosengren is a truly phenomenal lawyer and litigator. He is responsive, a strategic thinker and really comprehensive in everything he does. Mattias’ technical skills and drafting abilities are second to none, and his case handling skill is very impressive. Incisive, extremely bright and really nice to work with; Mattias is a class act.’ Legal 500, 2024
'Mattias has a truly excellent legal mind and, in addition to being extremely impressive intellectually, is immensely knowledgeable and a very strong tactician.' Chambers Global 2024
Mattias Rosengren offers advice to both domestic and international clients on various issues such as construction and insurance disputes. "He is extremely reliable and approachable." Chambers & Partners 2023
Mattias Rosengren climbs the rankings following positive market feedback. He offers advice to both domestic and international clients on various issues such as bankruptcy and insurance disputes. One client describes Rosengren as "very hands-on, timely and simply just a very pleasant and caring lawyer to work with." Chambers & Partners 2022
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