Hans Erik Johnsen's practice includes intellectual property law, broadcasting/media law, technology and telecommunication law and trademark/marketing law. He also provides general assistance to companies in the media/technology/telecom sectors. Mr. Johnsen has long experience with contract negotiations and with providing strategic and legal advice to companies in these markets. He has also been a board member in companies relevant to his fields of expertise.

Hans Erik Johnsen is ranked as one of Norway's most prominent experts on intellectual property law and TMT in Chambers Europe, Chambers Global and Legal 500.

Clients describe Hans Erik Johnsen as "a really strategic adviser" who is "very business-minded and very good at finding new angles". He offers strong experience of IP issues in broadcasting, marketing and sponsorship projects with a particular focus on trade marks.

Chambers Europe 2017


  • Assistance to a major Norwegian media company in negotiations regarding the operational consequences of a major sale of shares. Advisory services to one of the world's largest technology companies in an extensive dispute regarding intellectual property rights. Assistance to Norwegian players regarding agreements for one of the most attractive sponsor object in Norwegian sports.
  • Representation of a major global player in a dispute regarding a substantial IT development project. Assistance to Norway's largest TV distributor in extensive negotiations/a dispute with two of Norway's largest broadcasters.

Professional Experience

  • Partner, Wiersholm, 2008
  • Lawyer, Wiersholm, 2005
  • Lawyer, Telenor ASA, 1996-2004
  • Deputy Judge, Ytre Follo District Court, 1995-1996
  • Associate, Lund, Gundersen DA law firm, 1993-1995
  • Associate, Lund & Co law firm, 1993
  • Editor of the legal periodical "Jussens Venner", 1992


  • Cand. jur., University of Bergen, 1992
  • Additional qualifications in Maritime Law, University of Oslo 1991

Board Memberships

  • The Norwegian Bar Association's law committee for intellectual property and marketing law, Member
  • The Centre for Continuing Legal Education's committee for media and marketing law, Member