Hansen, Marc

Marc Hansen

Retired Partner

Marc Hansen retired from the partnership in January 2021, after joining the firm as a partner in 2002. He was a partner based in the Brussels and London offices and has particular experience in complex international regulatory and public policy issues, including antitrust law, IP, and standardization and trade law disputes. He acted as global coordinating counsel in a large number of international antitrust, cartel, and business crime matters affecting US, EU, UK, Japan, Australia, South Africa, Korea, Brazil, Canada, and many emerging enforcement jurisdictions. In this role, he provided strategic advice to leading multinationals and international organizations, supporting clients in crisis management and litigation. Over the years, Mr. Hansen gained extensive experience with senior management and board exposure to criminal and civil claims arising from corporate misfeasance.

Mr. Hansen acted as strategic advisor on several major international technology cooperation initiatives (3G, 4G, 5G standardization; SDMI secure music initiative; BluRay and DVD standards; SAE automotive standards). Over the years he led public policy and public affairs teams for changes to several key EU legislative acts (Copyright Directive; various antitrust legislation, including EU Technology Transfer Guidelines and Cartel Leniency Policy).

Mr. Hansen served on the Advisory Panel of the intergovernmental International Competition Network (ICN) 2008-2020 and was a frequent speaker on antitrust and IP matters at leading conferences. His notable successes were recognized by the Financial Times Innovative Lawyers Awards in 2009 and 2011, and over the years by Chambers, Legal 500, and Who’s Who Legal.


  • LLM, University of Michigan Law School, 1984
  • Cand. Jur., University of Copenhagen, 1983