Department profile
Advokatfirmaet GjessingReimers AS

Intellectual Property

Europe Guide 2026 : Norway


Advokatfirmaet GjessingReimers AS

Rankings

About

Provided by Advokatfirmaet GjessingReimers AS

Number of lawyers: 10 

Languages: English, French, German, Italian, the Scandinavian languages

Main Areas of Practice:  

IP:
The partners have comprehensive experience in litigation and non-contentious work in all fields of IP and neighbouring fields of the law, such as unfair competition and marketing law. 

TMT & Data Protection:
The two partners that specialise in the areas of TMT and data protection assist technology companies as well as companies on the customer side, in connection with IT procurements and other technology projects, and frequently assist clients in contract negotiations and dispute resolution.

Regulatory:
Several lawyers  have first hand knowledge and experience from relevant sectors and regulatory bodies.

Commercial:
Strategic advice on any matters where IP rights are important, and also on unfair competition law, marketing law, franchising and distributorship matters. 

Dispute resolution:
General:

Represents clients before all Norwegian courts. Two of the partners are admitted to the Supreme Court.  Experience also with alternative dispute resolution.

IP Litigation:

The lawyers of GjessingReimers have litigated an considerable share of the patent and trademark cases in Norway in recent years. 

Commercial Litigation:

The firm’s litigation practice also includes representing clients in commercial disputes that concern intellectual property rights.



Chambers Review

Provided by Chambers

Intellectual Property - Norway

Band 1

Band 1


What the Team is Known For

Gjessing is a boutique practice with an impressive bench of IP practitioners. The law firm has particular experience in contentious mandates, covering the full range of trade mark, copyright and patent disputes, as well as non-contentious contractual agreements. The team boasts especially strong knowledge in mandates involving the retail, energy, aquaculture, and food and beverage sectors.

Work Highlights

Provided by Chambers

  • Gjessing represented Orkla CSNAS in a disputes against Mondelez concerning passing off and unfair competition matters.

Strengths

Provided by Chambers

  • Gjessing is the best in Norway.

    Intellectual Property respondentEurope
  • The firm has a very hands-on attitude to handling cases. We especially appreciate its responsiveness and uncomplicated approach.

    Intellectual Property respondentEurope
  • They are really excellent.

    Intellectual Property respondentEurope
  • As an IP boutique law firm, Gjessing is definitely one of the strongest in IP.

    Intellectual Property respondentEurope
  • Gjessing is well equipped to handle very complex and extremely high-value matters.

    Intellectual Property respondentEurope

Notable Practitioners

Provided by Chambers

  • Senior StatespeopleAmund Brede Svendsen
    Senior StatespeopleAmund Brede Svendsen

    Amund Brede Svendsen

    Amund Brede Svendsen is a highly esteemed IP litigator with notable expertise in contentious patent matters.

  • Senior StatespeopleGunnar Meyer
    Senior StatespeopleGunnar Meyer

    Gunnar Meyer

    Gunnar Meyer is a highly regarded litigator with longstanding experience in trade mark and patent disputes. He represents clients from the energy, pharmaceutical, retail and technology sectors.
  • Band 1Ida Gjessing
    Band 1Ida Gjessing

    Ida Gjessing

    The market-leading Ida Gjessing is a highly acclaimed patent and trade mark litigator, acting for clients from the aquaculture, oil and gas and pharmaceutical sectors.
    • Ida Gjessing has an impressive understanding of technical and scientific details, as well as patent law.

      Intellectual Property respondentEurope
    • Ida is very thorough and very good with the technical aspects.

      Intellectual Property respondentEurope
    • Ida is the leading IP litigator in Norway.

      Intellectual Property respondentEurope
    • Ida is an experienced litigator.

      Intellectual Property respondentEurope
  • Band 2Stine Helen Pettersen
    Band 2Stine Helen Pettersen

    Stine Helen Pettersen

    Stine Helen Pettersen is commended for her expertise in media law, and has notable knowledge in copyright and trade mark matters. She assists Norwegian and international clients with mandates involving music, film and TV.

    • Stine is a tremendous lawyer. She has a lot of energy and gets a lot of things done.

      Intellectual Property respondentEurope
    • Stine is a great lawyer with deep understanding of the industry and large experience in international mandates.

      Intellectual Property respondentEurope
    • Her profound grasp of the legal landscape, coupled with her ability to deliver timely and perceptive recommendations, makes her an invaluable partner.

      Intellectual Property respondentEurope
    • Stine is extremely knowledgeable and helpful in every issue we throw her way.

      Intellectual Property respondentEurope
    • Stine Helen Pettersen is business-oriented and driven.

      Intellectual Property respondentEurope
  • Band 3Christian With
    Band 3Christian With

    Christian With

    Christian With is recognised for his strong activity in the media sector, advising on distribution rights and licensing issues. He handles film and TV production mandates, as well as e-sports and gaming matters.

    • Christian With is excellent.

      Intellectual Property respondentEurope
    • It feels like he is a part of our team, and being able to discuss matters with him is very valuable.

      Intellectual Property respondentEurope
    • Christian is very responsive.

      Intellectual Property respondentEurope
    • He delivers very good work and has a very good understanding of the business.

      Intellectual Property respondentEurope
  • Band 3Lars Erik Steinkjer
    Band 3Lars Erik Steinkjer

    Lars Erik Steinkjer

    Lars Erik Steinkjer garners impressive plaudits for his knowledge and experience in intellectual property, with particular prowess in patent rights, often representing clients from the pharmaceutical industry.

    • Lars Erik Steinkjer provides a quick and to-the-point service and response.

      Intellectual Property respondentEurope
    • His commercial mindset stands out. He knows exactly where to push in negotiations.

      Intellectual Property respondentEurope
  • Band 4Yngve Øyehaug Opsvik
    Band 4Yngve Øyehaug Opsvik

    Yngve Øyehaug Opsvik

    Yngve Øyehaug Opsvik has experience in patent infringement matters as well as contentious mandates involving the Marketing Act.
    • He is brilliant: a real pleasure to work with and provides very clear advice.

      Intellectual Property respondentEurope
    • He quickly understands the technical aspects.

      Intellectual Property respondentEurope
    • He is very hands on and efficient, and he gives very lean and cost-efficient advice.

      Intellectual Property respondentEurope

Ranked Individuals at Advokatfirmaet GjessingReimers AS (8)

Norway

Members

Provided by Advokatfirmaet GjessingReimers AS

Advokatfirmaet GjessingReimers AS has rankings in the following guides

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