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Band 1
Provided by Sonia Ryser
Sonia Ryser advises private clients in national or international context. She is highly specialized in complex matrimonial proceedings, involving sensitive financial issues as well as custody matters. Sonia Ryser also regularly intervenes in international marital planification (pre- and post- nuptial agreements).
Founding Partner of Locca Pion & Ryser (2020)
Associate and Partner at Borel & Barbey (2005-2020)
Certified Specialist SBA Family Law "Avocate spécialiste FSA-SAV en droit de la famille" (2012)
Admitted to the Geneva Bar (2004)
University of Geneva (Switzerland) and Regensburg (Germany).
Geneva Bar Association (OdA)
- Member of the Council since 2020
Swiss Bar Association (SBA)
- Member of the experts Commission of the specialized Attorney in Family law SBA since 2025
Association of SBA Attorneys specialized in Family law (VF/FA)
International Academy of Family Lawyers (IAFL)
Publishes and lectures frequently on Family law, in particular with the Geneva Bar Association and the University of Geneva.
French, English, German
Provided by Chambers
Geneva-based Sonia Ryser of Locca Pion & Ryser dedicates her practice to family law issues and regularly advises high net worth clients on sophisticated matrimonial proceedings and filiation issues.
Provided by Chambers
Sonia Ryser is the leader of her firm. She is up there with the top individuals and she is very specialised.
Sonia Ryser is the leader of her firm. She is up there with the top individuals and she is very specialised.