Open navigation
Search
Search

Select your region

Mikkel-Lassen-Ellingsen
Associate Partner

Mikkel Lassen Ellingsen

Languages
  • Norwegian
  • English
Social media

Mikkel Lassen Ellingsen is a commercial-minded lawyer working across all fields of IP, marketing law and unfair competition, with an emphasis on enforcement, dispute resolution and litigation. He assists domestic and foreign clients of all sizes and in all industry sectors with legal and strategic issues such as advisory services, dispute resolution, negotiations and agreements within the IP fields of trademarks, patents, copyright and design law as well as marketing law.

With his deep commercial understandig and pragmatism, Lassen Ellingsen is able to decipher complex legal issues and provide understandable and practical advice to his clients.

Lassen Ellingsen has extensive experience with litigation before the Norwegian courts, as well as administrative procedures before the Norwegian Industrial Property Office (NIPO), The Norwegian Board of Appeal for Industrial Property Rights (KFIR) and the Council dealing with unfair marketing practices (NKU).

Relevant experience

  • 2025 - Associate Partner, CMS Kluge Advokatfirma AS
  • 2023 - 2024 Managing Associate, CMS Kluge Advokatfirma AS
  • 2020 - 2023 Partner, Bryn Aarflot AS
  • 2017 - 2023 Lawyer, Bryn Aarflot AS
  • 2015 - 2017 Associate, Bryn Aarflot AS

Memberships & Roles

  • 2023 - Member of the Board of Appeal for Industrial Property Rights (KFIR)

Awards & Rankings

  • Recommended in World Trademark Review 1000
  • Named Rising IP Star and Notable IP Star by Managing Intellectual Property (MIP)
  • Recommended lawyer, Legal 500, Intellectual property
EMEA_Recommended_lawyer_2025.jpg
  

Education

  • 2010 - 2015 Master of Laws, the University of Oslo 

Insights by Mikkel Lassen

CMS at INTA 2026

02 May 2026

The Norwegian Consumer Authority issues NOK 2 million fine for violation of pre-pricing rules

27 Jun 2025 3 min read

CMS at INTA 2025

17 May 2025

Norway bans marketing of unhealthy food and drinks towards children

05 May 2025 5 min read
Back to top Back to top
Warning: Fraudulent emails and messages