Westerberg & Partners > Stockholm, Sweden > Firm Profile
Westerberg & Partners Offices
REGERINGSGATAN 66
P.O. Box 3101
103 62 Stockholm
Sweden
Westerberg & Partners > The Legal 500 Rankings
Sweden > Insurance Tier 1
Westerberg & Partners’ insurance practice specialises in complex litigation, with several leading international insurers instructing the group in relation to high-profile insurance and reinsurance disputes, including novel mandates concerning business interruption insurance claims following the Covid-19 pandemic. Stefan Bessman in Stockholm has over 25 years of experience in insurance and reinsurance coverage disputes, reinsurance commutations, and insurance regulatory issues. Expert litigator and arbitrator Jesper Tiberg has notable experience in the sector, and associates Jacob Ericson and Victoria Ribbnäs both stand out for their contributions to the practice.Practice head(s):
Stefan Bessman
Other key lawyers:
Testimonials
‘Stefan Bessman stands out for his thorough knowledge and dedication.’
Key clients
Gjensidige Forsikring
Chubb Insurance
If Property & Casualty Insurance
Work highlights
- Represented Gjensidige Forsikring in several coverage disputes arising out of pandemic related business interruption claims.
- Acting for If Property & Casualty Insurance in several very large insurance and reinsurance coverage disputes.
Sweden > Intellectual property and media Tier 1
Westerberg & Partners is home to 'a consummate team of IP specialists with deep bench strength and expertise'. The department has an excellent reputation for handling the full breadth of contentious and non-contentious IP matters, often spanning multiple jurisdictions. Practice head Henrik Wistam garners praise as 'a great litigator', specialising in trade mark disputes. Jonas Westerberg is 'one of the best patent litigators in Sweden', and Stefan Widmark is a highly regarded media and entertainment law expert. Helena Wassén Öström brings extensive experience in handling the management of large trade mark portfolios, while Ludvig Holm is a key name in the team for patents and trade marks. Litigator Björn Rundblom Andersson and Wendela Hårdemark are singled out for their contributions.Practice head(s):
Henrik Wistam
Other key lawyers:
Jonas Westerberg; Ludvig Holm; Björn Rundblom Andersson; Stefan Widmark; Helena Wassén Öström; Siri Alvsing; Wendela Hårdemark; Hans Eriksson
Testimonials
‘Consummate team of IP specialists with deep bench strength and expertise. A standout team in the Swedish market.’
‘Jonas Westerberg is a significant name in the industry with many years experience in the field. Reassuring and calm, he is a senior statesman, guiding the ship into safe harbours. Björn Andersson is a name to bookmark.’
‘This is a true partnership. The advisors are very interested in and knowledgeable of our business and industry. We always get advice from the most qualified person at the firm. The lawyers are open-minded, correct and flexible.’
‘Open minded, flexible, knowledgeable and always eager to explain their legal work to us in an understandable way.’
‘Simply the best – Westerberg is the number one choice in Sweden. Very responsive, proactive, well-informed, business and solution-oriented, cost efficien to nema a few. All qualities that you would like your lawyers to have.’
‘Henrik Wistam – the Man in Sweden. Super good. Best legal mind for contentious IP in Sweden.’
‘Wendela Hårdemark handles complex patent matters in a very practical manner, enabling our management to understand the issues, risks and possibilities at hand. She is a strategic problem solver, continuously one step head of her client. Jonas Westerberg is one of the best patent litigators in Sweden.’
‘Helena Wassén-Öström: calm and experienced and always to the point. Henrik Wistam: great litigator, experienced and loves tactical moves.’
Key clients
H&M
GlaxoSmithKline
Illumina
Novartis AG
Finansiell ID-teknik BID
AB Electrolux
Permobil Group
Skruf Snus AB
Tele2
Embark Studios
Avicii Music AB
Gotain AB
Gallery Mikael & Thomas Asplund
Work highlights
- Represented Illumina in parallel patent proceedings regarding the infringement and validity of patents in the DNA sequencing field.
- Represented a prominent fintech company in trade secrets, copyright and patent litigation.
- Managing the global trade mark portfolio of H&M.
Sweden > Dispute resolution Tier 2
Boutique firm Westerberg & Partners has considerable experience representing major clients, including global corporations and sovereign states, in complex international commercial arbitration and litigation proceedings, particularly in the energy, construction, infrastructure, and insurance sectors. The team, which is led by public international and human rights law specialist Maria Fogdestam Agius in Stockholm, also has expertise in relation to investment treaty arbitrations. Ginta Ahrel and Therese Isaksson focus on international commercial and investment arbitration as well as the enforcement of arbitral awards and foreign judgments. Fellow arbitration specialist Natalia Petrik joined the firm in February 2024 from the SCC Arbitration Institute.Practice head(s):
Maria Fogdestam Agius
Other key lawyers:
Ginta Ahrel; Therese Isaksson; Jesper Tiberg; Natalia Petrik
Testimonials
‘The dispute resolution team includes some of the leading professionals in Sweden. They are knowledgeable, professional and easy to work with. They have excellent specialists in Swedish law, international arbitration and litigation.’
‘Maria Fogdestam Agius is an outstanding public international law expert, with a great analytical mind, extensive knowledge of a wide range of international law areas, and unparalleled oral advocacy skills. Her knowledge in international law and international investment law is matched by only a few in Sweden.’
‘Therese Isaksson is a key name-to-know. She has valuable court experience.’
‘Jesper Tiberg is at the top of the crop. He provides to-the-point legal advice in complex matters with ease. He is a pleasure to work with.’
‘Ginta Ahrel is a tactical thinker with excellent technical skills.’
‘This practice distinguishes itself through its innovative approach to problem-solving and fostering a collaborative culture among its diverse team members.’
‘A well-rounded team with experience both in domestic courts and international tribunals. They write clearly and concisely and offer helpful strategic inputs.’
‘Westerberg & Partners team consists of very experienced lawyers in the field of international law. In a Swedish context, W&P is one of the top firms.’
Key clients
Republic of Ukraine
AIG Europe Insurance Group
BOTAS Petroleum Pipeline Corporation
PDV Europa B.V./Petróleos de Venezuela S.A.
Hitachi Rail Group
Gjensidige Forsikring ASA
Viorel Micula
Aztiq Partners AB
Work highlights
- Acting for the Republic of Ukraine in two separate proceedings to set aside an arbitral award rendered in 2021, regarding a $6bn claim.
- Acting for Anatolie Stati et al against the Republic of Kazakhstan and The National Bank of Kazakhstan before the Swedish courts.
- Acting for Hitachi Rail in arbitration and litigation in a major infrastructure dispute with the City of Stockholm.
Sweden > Healthcare and life sciences Tier 2
Westerberg & Partners‘ practice frequently assists pharma clients with product launches within the Swedish market. In addition to the group’s extensive contentious IP capability, it also regularly advises on research and development agreements. ‘Excellent‘ patent litigator Jonas Löfgren leads the team with his deep regulatory expertise, with particular emphasis on market access, and pricing and reimbursement matters. Wendela Hårdemark is well-versed in contentious matters concerning license agreements. Ludvig Holm regularly acts in patent and trade mark disputes, while Jonas Westerberg is noted for his vast knowledge of IP litigation and arbitration.Practice head(s):
Jonas Löfgren
Other key lawyers:
Wendela Hårdemark; Ludvig Holm; Jonas Westerberg; Siri Alvsing
Testimonials
‘Jonas Löfgren is very experienced, with great knowledge of the Swedish market. He is very responsive and provides constant great legal support and practical solutions.’
‘First rate service. Jonas Löfgren in particular is excellent.’
‘Jonas Löfgren has hard-edged experience and is practical on very technical issues.’
Key clients
Alnylam Pharmaceuticals
GlaxoSmithKline
Novartis
Dr Wolff Group
Karo Healthcare
Illumina, Inc
Work highlights
- Acted for Illumina in a multitude of parallel patent proceedings regarding the infringement and validity of patents in the DNA sequencing field.
- Advised Dr. Wolf Group on the market access in Sweden of its first medicinal product, Axhidrox.
Westerberg & Partners > Firm Profile
Westerberg & Partners is a boutique intellectual property (IP) and dispute resolution firm. It helps clients in identifying, analysing, strengthening, commercialising and protecting their rights — whether based on IP, contracts, treaties, trade secrets or regulatory frameworks. Open mindedness, focus and flexibility are three of the firm’s core values. The IP team is one of the largest IP teams among Swedish law firms and represents clients in all aspects of IP (except for patent prosecution), including advisory services, contracts, transactions and corporate work for companies with intellectual assets at its core. It is particularly well-known for its copyright, patent and trademark litigation expertise and portfolio management services. In commercial dispute resolution, the firm’s significant experience in Swedish and international arbitration has led to its involvement in some of the most complex and challenging disputes, including acting for and against sovereign states in litigation and arbitration over the interpretation of international treaties and in other high-profile disputes. Westerberg & Partners represents Swedish and international clients, ranging from established giants to start-ups and sovereign states. The firm is built by friends sharing the same vision: aiming to be the best at what they do.
Main Contacts
Department | Name | Telephone | |
---|---|---|---|
IP | Henrik Wistam | henrik.wistam@westerberg.com | +46 766 170 928 |
Arbitration and litigation | Maria Fogdestam Agius | maria.fogdestam.agius@westerberg.com | +46 766 170 943 |
Media | Hans Eriksson | hans.eriksson@westerberg.com | +46 766 170 940 |
Healthcare and Life Sciences | Jonas Löfgren | jonas.lofgren@westerberg.com | +46 766 170 829 |
IP and Commercial transactions | Malcolm Wiberg | malcolm.wiberg@westerberg.com | +46 766 170910 |
Lawyer Profiles
Photo | Name | Position | Profile |
---|---|---|---|
Helena Wassén Öström | Helena specializes in IP strategy and heads the firms Trademark and Design… | View Profile | |
Ginta Ahrel | Ginta is specialized in international arbitration and enforcement of arbitral awards and… | View Profile | |
Stefan Bessman | Specialises in International arbitration, litigation, dispute resolution, insurance litigation and non-contentious insurance… | View Profile | |
Dr Maria Fogdestam Agius | View Profile | ||
Wendela Hårdemark | Wendela is a partner in Westerberg’s IP group since 2022. Wendela has… | View Profile | |
Mr Ludvig Holm | A founding partner of Westerberg, Ludvig specializes in patent and trademark litigation, but… | View Profile | |
Therese Isaksson | Therese specializes in commercial arbitration and litigation in which she has more… | View Profile | |
Jesper Tiberg | Jesper specializes in commercial dispute resolution with a focus on international and… | View Profile | |
Jonas Westerberg | Jonas has 30 years’ experience as a lawyer, and he has specialized… | View Profile | |
Stefan Widmark | Stefan is specialized in Intellectual property, Media & Entertainment and Marketing Law,… | View Profile | |
Henrik Wistam | Henrik specializes in IP litigation and IP strategy. He advises clients on… | View Profile |
Languages
English Latvian Russian Swedish- Insurance
- Intellectual property and media
Top Tier Firm Rankings
- Dispute resolution
- Healthcare and life sciences