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Experience
Sylvain Bogensberger represents our Swiss and foreign clients in Swiss and international
inheritance disputes, in negotiations or before Swiss courts (various inheritance actions,
including actions for partition, reduction, annulment, rendering of accounts, etc.).
He also advises Swiss and foreign private clients on estate planning, including tax planning,
as well as the various parties involved in inheritance matters (such as executors, banks,
notaries, etc.) in the administration and liquidation of complex, often international, estates.
He has extensive experience in the execution of wills, particularly in Channel Islands law, as
well as in trust law.
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His practice also tax law (litigation and negotiations with the authorities), personal and family
law (complex matrimonial regimes), immigration law (settlement in Switzerland, creation of
appropriate structures, litigation, etc.) and labor law (advice and litigation).
He also practices sports law and has served on numerous occasions as ad hoc clerk at the
Court of Arbitration for Sport (CAS) in Lausanne.
Finally, he regularly advises our clients on commercial law and contract law, such as in the
yacht industry.​
Career
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Since 2025 Partner, Bogensberger Law, Lausanne
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2024 Global Travel Sabbatical
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2021-2023 Partner, Junod, Muhlstein, Lévy & Puder, Geneva
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2019-2020 Partner, Boutique Law Firm, Geneva and Lausanne
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2004-2018 Associate and independent attorney, de Pfyffer Associés (now Kellerhals Carrard)
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2002-2004 Associate, Schellenberg Wittmer law firm
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1999-2001 Legal advisor, Legal department of the Cantonal Tax Administration, Geneva
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1996-1998 Trainee lawyer, Boutique Law Firm, Geneva
Languages
• French, English, German & Spanish
Education & Admission
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2015-2016 University of Lausanne (Certificate of Advanced Studies and Swiss Bar Association – SBA - specialist title in inheritance law)
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1999 Admitted to the bar, Geneva
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2004 University of Buenos Aires, Argentina (UBA nivel 5)
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1992-1996 Bachelor of Laws (lic. iur.), University of Geneva
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1995-1996 University of Bremen, Germany (Erasmus Program)
Professional Associations
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Vaud Bar Association (OAV)
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Swiss Bar Association (FSA/SAV)
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Société Romande des Avocats Spécialistes en Succession (SASS)
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For over 20 years, EPERTsuisse law examiner
