Therese Isaksson
Westerberg & PartnersBoutique 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.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘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.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
The lawyer(s) leading their teams.
Maria Fogdestam Agius