Your Experts in Competition Law, Regulatory and Distribution Law Matters. CORE Attorneys advise and represent national and international clients throughout Switzerland regarding all aspects of competition law, regulated markets and distribution law.


Mario is a founding partner of CORE Attorneys. He has extensive experience in his area of expertise that focuses on all aspects of competition law and regulatory matters as well as on related areas of law including distribution law as well as related areas of law.


Fabian Koch is a founding partner of CORE Attorneys. Based on his additional background in economics and business administration, his practice focuses on competition law, regulatory and distribution law matters as well as related areas of law.

Attorney at Law

Dr Marion Lagler is an associate at CORE Attorneys. She has versatile work experience with companies, authorities and courts as well as larger Swiss law firms. She has special expertise in the areas of e-commerce, distribution, IT and public procurement law as well as criminal law.

Legal Assistant

Ann-Kathrin Bühler is a Legal Assistant at CORE Attorneys and studies law at the University of Zurich. She is active in all focus areas of CORE Attorneys, assisting with work on mandates, publication activities and other tasks.

Legal Assistant

Schaima Shafik ist juristische Mitarbeiterin bei CORE Attorneys und studiert Rechtswissenschaften an der Universität Zürich. Sie ist in allen Fokusgebieten von CORE Attorneys tätig und unterstützt dabei bei Mandatsarbeiten, Publikationstätigkeiten und weiteren Aufgaben.

Office Managerin

Rita Kerschner is Officer Manager at CORE Attorneys. She is responsible for internal administration and supports the CORE Attorneys team in the provision of its services.