Attorney-at-law, Partner

Philip S. Thorsen

Philip S. Thorsen has more than 30 years of experience regarding company law, M&A, contracts, procurement law, competition law and tort law.

Philip S. Thorsen also assists in civil litigation and arbitration, where he has extensive experience from the Danish courts, including the Supreme Court, the Greenland High Court, the International Chamber of Commerce, The Danish Arbitration Institute in addition to ad hoc arbitration tribunals in Denmark and abroad, the Competition Council, the Competition Appeals Tribunal, Danish Building and Construction Arbitration Board and The Tribunal for Auditors.

Philip is a board member of several companies, foundations and associations. He is a permanent arbitrator in International Court of Arbitration (IMAC) at the Polish Chamber of Maritime Commerce and is a former chairman of the Polish Danish Business Forum. Philip S. Thorsen is recommended by the French Embassy in Denmark, and is in Legal 500 recommended in relation to Dispute Resolution and EU & Competition.

Philip has published a number of articles and co-authored several publications mainly on investments in Central and Eastern Europe and on international arbitration clauses.

Philip is the former President of the Copenhagen Association of Lawyers, former Head of the Danish Delegation to CCBE, former member of the Council of the Danish Bar and Law Society and present member of the Litigation Committee of the Danish Bar and Law Society.

Philip is selected by the European Commission to its pool of individuals eligible for appointment as arbitrators for bilateral trade and sustainable development (TSD) disputes under trade agreements with third countries.

Specialises in



Bettina Nielsen

+45 3319 3706


Over the years, Philip Thorsen has proven himself to be not only an exceptional legal expert but also a trusted colleague who always puts the client’s needs first by referring matters to the most competent team member of Mazanti-Andersen. A very welcoming man and generally a pleasure to work with.

Philip Thorsen is exceptionally talented in understanding our business and possible future complications when discussing disputes. This makes Mazanti different from other companies as their advice expands further than specific legal advice.

Philip Thorsen and Josephine Linn Jacobsen – The best process lawyers I have met – always clear commercial and legal advice. High success rate.

We have worked with many, but Anne Almose Røpke and Philip S. Thorsen are our main contacts. They stand out for their vast experience, perfect language skills and quick thinking. Our go-to people in international matters and matters related to Denmark.

Philip Thorsen is very pleasant and accurate to work with. High integrity and dedicated focus.

Career and education

  • 2007
    Admitted to the Supreme Court
  • 2001
    Partner (equity), Mazanti-Andersen
  • 1995
    Attorney-at-law, Mazanti-Andersen
  • 1993-1995
    Ole Nielsen & Partnere, Kolding and Vejle
  • 1992-1993
    Ole Nielsen & Partnere, Warsaw
  • 1992
    Master of Law
  • 1985-1987
    Danske Bank
  • 1984
    IB, Atlantic College, Wales