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        LISA LOCCA

        AUDREY PION

        SONIA RYSER

        MICHEL MONTAZEAU

        DEBORAH BAER

        CHRISTINA SINNER

        QENDRESE PRUD’HOM

        SOLEYANE BERTRAND

        GAELLE CICHOCKI

        ELENA GONZALEZ FERNANDEZ


      ATTORNEYS


          SONIA RYSER
          ryser@loccapionryser.ch

        Attorney-at-law with a SBA specialist certification in Family law, Sonia Ryser exclusively practices family law.

        She advises and assists her clients within judicial matrimonial proceedings (protective measures of the marriage, unilateral divorce proceedings or divorce upon joint request) as well as any litigation derived from filiation (parental rights, actions for alimony, adoption proceedings, international proceedings of child abduction).

        She also practices as a counselor within matrimonial planning, in particular in the context of nuptial agreements in national or international constellations.

        She also often intervenes as a speaker on behalf of the Bar Association and the University of Geneva.

        Sonia Ryser is a:
          * member of the Geneva Bar Association,
          * co-chairman of the Commission for Children's Rights of the Geneva Bar Association,
          * member of the specialized Commission SBA Family law,
          * member of the Swiss Bar Association (SBA),
          * member of the Association of SBA Attorneys specialized in family law (VF/FA),
          * member of the International Academy of Family Lawyers (IAFL),.
        Sonia Ryser is ranked Band 1 by Chambers for Family/Matrimonial : High Net Worth. membre de l’Ordre des Avocats de Genève,

            2025-
            Member of the Commission of civil law of the Geneva Bar Association
            2025-
            Member of the specialized Commission SBA Family law
            2023-
            Co-Chairman of the Children's Rights Commission of the Geneva Bar Association
            2022-2024
            Member of the Continuing Education Commission of the Geneva Bar Association
            2020-2026
            Member of the Council of the Geneva Bar Association
            2020-
            Member of the Commission for Children's Rights of the Geneva Bar Association
            2020-
            Partner, LOCCA PION & RYSER, Geneva
            2016-2020
            Partner, BOREL & BARBEY
            2013
            SBA Specialist Certification in family law
            2005-2016
            Associate attorney, BOREL & BARBEY
            2004
            Geneva Bar
            2002-2004
            Trainee lawyer, FIRM PERRÉARD DE BOCCARD KOHLER ADOR AND PARTNERS
            2002
            Universities in Geneva and in Regensburg (lic. iur.)


            Conferences:

          Half-day seminar on family law, maintenance contributions – selected aspects, December 2025, Geneva Bar Association

          Trans-Lemanic conference, September 2025 (Evian, France)

          Cambridge Forum on HNW International Family Law 2024, Steering Committee (Lisbon)

          Cambridge Forum on HNW International Family Law 2023, Steering Committee (Barcelona)

          Geneva Bar Association, Tax aspects of family law, November 2022

          University of Geneva, Format Capsule: marriage, filiation, divorce, personality, inheritance, September 2022

          Continuous Education Commission of the Geneva Bar Association, First Tuesday workshop (discussion of recent case law in family law), December 2020 (with Me Annette Micucci, moderator)

          Continuous Education Commission of the Geneva Bar Association, First Tuesday workshop (discussion of recent case law in family law), December 2019 (with Me Annette Micucci, moderator)

          Continuous Education Commission of the Geneva Bar Association, First Tuesday workshop (discussion of recent case law in family law), December 2018 (with Me Annette Micucci, moderator)

          University of Geneva, Format Capsule: marriage, filiation, divorce, personality, inheritance, September 2018

          Geneva Bar Association, The family law procedures (MPUC, divorce, etc.), CPC : 10 years of a law, September 2018

          Continuous Education Commission of the Geneva Bar Association, First Tuesday workshop (discussion of recent case law in family law), December 2017 (with Me Annette Micucci, moderator)

          International Academy of Family Lawyers (IAFL), International prenuptial agreements, November 2017, Warsaw (with Me Nicholas Bennett, Me Federico Cecolin and Me Iryna Moroz)

          Conference for candidates for the SBA family law diploma of the Swiss Bar Association, Spousal maintenance in case of separate life and divorce, October 2017

          Continuous Education Commission of the Geneva Bar Association, First Tuesday workshop (discussion of recent case law in family law), December 2016 (with Me Annette Micucci, moderator)

          Committee of the Geneva Young Bar Association, Conference on the tax aspects of family law, November 2015


            Publications:

          Child Support & Spousal Maintenance 2025: Chambers Global Practice Guide, High Net Worth Chambers, September 2025

          Family law – evolution and lawyer’s role, Focus Droit 2019, Bilan Magazine, September 2019.

          Family law 2020 : Switzerland, International Comparative Legal Guides, C. Bradley / K. Napley (éds), 3e édition, ICLG.com, 2019.

          The new repartition of the roles within the Family : effects in case of separation, special issue Law, Le Temps (2018).

          "Divorce, your financial risk n°1 ?", Bilan, Suisse Romande (2015).




        1, Promenade du Pin - 1204 Geneva - T. +41 (0)22 319 32 00 - F. +41 (0)22 319 32 02
        1, Promenade du Pin - 1204 Geneva
        T. +41 (0)22 319 32 00
        F. +41 (0)22 319 32 02