Karin Westerberg

Advokat/Partner

+46 766 445 507

“Karin Westerberg is hailed as one of the foremost patent litigators in the Swedish market.”

IAM Patent 2025

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Karin Westerberg has extensive experience in dispute resolution within intellectual property law, particularly in matters relating to patents, copyright and trademarks. She also has experience in marketing law disputes and disputes concerning trade secrets.

Karin regularly represents Swedish and international companies in Swedish courts. She also represents companies in patent infringement and patent invalidation cases before the Nordic-Baltic Regional Division of the Unified Patent Court (UPC). Karin's experience includes cross-border patent disputes, where she assists companies as part of an international team. Karin also has experience in disputes concerning standard essential patents (SEPs). In addition to dispute resolution, Karin also provides strategic advice in her areas of expertise.

Karin is engaged by companies in a range of industries, such as pharmaceuticals, biotechnology, medical technology, mechanics and telecommunications, as well as in the grocery and pharmacy industries.

Karin has served as a law clerk at the Stockholm District Court and as a reporting clerk at the Svea Court of Appeal, i.a. at the department handling IP related cases. Karin holds a Swedish LL.M. from Gothenburg University and has also studied at the Bond University in Australia.

Karin has been ranked by leading international ranking institutions for several years. She is ranked in the category of patent disputes (Silver Band) by IAM Patent 1000 (2025), as a Patent Star by Managing IP (2025) and in intellectual property and media by Legal 500 (2025). She is also ranked by Chambers & Partners (Europe and Global, 2025) and recommended in patent law by Who’s Who Legal (2025). Karin has also been listed as one of the “Top Women in IP” by Managing IP for the years 2020–2023.

  • Practice areas

    Dispute Resolution
    Intellectual Property
    Life Science
    Regulatory
    Trade Secrets
    Marketing Law

    Registered representative before the Unitary Patent Court (UPC)

  • Experience

    2020- Chariman, Svensk Form Copyright Panel
    2019- Partner, Sandart
    2016-2020 Secretary, Svensk Form Copyright Panel
    2012- Member, Committee on Intellectual Property, ICC Sweden
    2011 Member, Swedish Bar Association (advokat)
    2007-219 Associate, Sandart
    2006-2007 Reporting clerk, the Svea Court of Appeal
    2005-2006 Law Clerk, the District Court of Stockholm
    2004-2005 Associate, Mannheimer Swartling Advokatbyrå

  • Education

    2003 Law studies, Bond University
    2004 LL.M, School of Economics and Commercial Law, Gothenburg University

  • “Karin Westerberg is an excellent patent litigator.”

    Legal 500 2024

  • "Karin Westerberg regularly assists clients with IP mandates including copyright and patent infringement matters. ”Karin has good analytical capability, is easy to work with and has an ability to work out what is important in complex cases.”

    Chambers Europe 2024

  • "A go-to for pharmaceutical patent infringement, Karin Westerberg also comes in clutch on complex copyright and trade secrets litigation too."

    IAM Patent 2023

  • "Tenacious litigator Karin Westerberg has a great history of seamlessly handling complex and demanding proceedings.” She is actively involved in pan-European contentious proceedings on behalf of domestic and international players."

    IAM Patent 2024

  • Karin Westerberg, a tenacious advocate whose “diligence, excellent care for details and flexibility exceed all expectations.”

    IAM Patent 2021

  • "Karin is very good."

    Chambers Europe 2025

  • Karin Westerberg is hailed as “one of the foremost patent litigators in the Swedish market”, and she expertly assists clientele in eliminating infringers before the Swedish Patent and Market Courts. Her profound expertise expands to enforcing SEPs, further solidifying her reputation as a leading authority in the field.

    IAM Patent 2025

  • "Karin is good with deadlines and technical details, provides very valuable input and identifies the main legal issues of the case."

    Chambers Europe 2025