Sonja Dätwyler

MLaw, Attorney at Law

sonja.daetwyler@bdlegal.ch
Telefon: +41 61 225 03 03
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Sonja Dätwyler advises and represents her clients across all areas of civil law. She reviews and drafts tailored contracts, guides her clients through amicable dispute resolutions, and, when necessary, defends their interests in court. While she is well-versed in commercial and corporate law, her core areas of expertise also include inheritance law, labor law and tenancy law.

Sonja Dätwyler earned her law degree with top honors from the Universities of Basel and Neuchâtel, obtaining both a German diploma and a bilingual French-English diploma. Her career includes positions at prestigious law firms, experience as a clerk at an second instance court, and valuable work with a major Swiss NGO. After passing the Basel-Stadt bar exam, she now applies her knowledge to deliver exceptional legal advice and representation to her clients.

With a solid academic foundation and practical experience, Sonja Dätwyler offers her clients comprehensive and empathetic legal support. She is characterised by her meticulous approach, strong commitment, and multilingual capabilities.

Learn more about Sonja Dätwyler: Download CV

Sonja Dätwyler is registered with the Basel-Stadt Bar Registry and admitted to practice in all of Switzerland.

Languages: German, French, English, Spanish

Education and professional experience

2025 – Member of the Commission of the State Arbitration Board for Rental Disputes Basel-Stadt
2024 – Attorney at Battegay Dürr AG
2024 Admission to the Basel-Stadt Bar
2021 – 2023 Traineeships to prepare for the bar exam at two Basel law firms, at the Cantonal Court of Basel-Landschaft and at the Swiss Cancer League.
2019 – 2021 Bilingual Master of Law (MLaw, French/English) at the Université de Neuchâtel (summa cum laude)
2015 – 2019 Bachelor of Law (BLaw) at the University of Basel (magna cum laude)

Memberships

Swiss Bar Association, Basel-Stadt Bar Association, Pro Iure Association, Akademischer AlpenClub Basel

Pro bono work / hobbies

Instructor in J+S courses for the YMCA Switzerland, sports (mountaineering, climbing, ski tours)