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Dr. Markus Wintterle


Office Mannheim

Assistant: Ms. Siemon
Phone +49 621 150399-25
Fax +49 621 150399-88


German, English

Focus areas

  • Commercial Law, in particular contract drafting
  • Corporate Law – from strategic advice (start-ups, restructuring, corporate succession, in the medical sector: transfer of practices, establishment of MVZs and BAGs) to conflict advice and shareholder disputes.
  • Directors’ and officers’ (D&O) liability proceedings – from managing directors to executive boards and supervisory boards
  • Compliance: setting up and implementing compliance structures in companies
  • Product Liability Law
  • Substance Law / REACH / Medical Device Law
  • Environmental Law / Public Commercial Law (esp. settlement of companies)
  • Litigation (e.g. chemical, medical and agricultural sector)

Markus Wintterle advises his clients comprehensively in the areas of Commercial and Corporate Law. One particular focus of his work in Corporate Law is providing strategic advice during corporate successions and transactions. Especially in the medical sector, he advises on the establishment and transfer of numerous practices as well as the establishment of MVZs (medical care centres) and professional practice groups. He has long-standing experience in Corporate Law disputes and proceedings regarding the liability of executive bodies. To minimise liability risks, he provides practical solutions for companies in the areas of compliance, corporate organisation, delegation of duties and assists with their implementation. His expertise is constantly broadened through extensive lecturing and seminar activities.

Markus Wintterle also focuses on the chemical and chemical-related industry, where he advises on topics such as REACH, Substance and Safety Law and Environmental Law. He supports companies not only with drafting contracts, but also with litigation before the courts. He is passionate about using his year-long litigation experience to the benefit of his clients in court, whether in disputes between shareholders, in product liability cases or in nationwide litigation in the agricultural sector (especially regarding so-called drift damages).


  • University of Mannheim 1991–1996 (First State Examination 1996)
  • Legal clerkship at OLG Karlsruhe (Second State Examination 2002)
  • Research fellow with the Chair of Private Law, Law of Civil Procedure, Private International Law and Comparative Law, University of Mannheim (Prof Dr. Jochen Taupitz) 1996–2001
  • Doctoral Scholarship of the German Federal Environmental Foundation 1998–1999 (Doctorate: 2001)
  • Lawyer (Rechtsanwalt) since 2002
  • Partner of a renowned national commercial law firm 2007–2020
  • Founding Partner Insquare Rechtsanwälte mbB since 2021
  • Unternehmensinterne Delegation und Verantwortung (TÜV-Fachtagung “Haftungsfragen im industriellen Anlagenbetrieb” 2011)
  • Verantwortung und Haftung – Risiken beim Explosionsschutz (in: Sichere Handhabung brennbarer Stäube, VDI-Berichte 2096, 2010, S. 79 ff.
  • REACH: Deliktsrechtliche Haftung wegen Informationspflichtverletzung (StoffR 3/2007)
  • Präventive Beratung kann vor Haftungsansprüchen schützen (Business & Law, Rhein-Neckar 2006, S. 12 f.)
  • Binnenschiffer und Reedereien – gleichberechtigte Partner: Binnenschiffer als Selbständige (Schiffahrt und Technik, Heft 6/2003 S. 26)
  • REACH und Zivilrecht (in: Fluck/Fischer/v.Hahn, REACH + Stoffrecht Kommentar, Loseblattsammlung )
  • Liquiditätsrisiken in der Nachfolgeplanung – Der Erbfall als Liquiditätsfalle (Business & Law, Rhein-Neckar 2010, S. 26)
  • Rechtsfragen des Sicherheitsdatenblattes (Lexxion Verlag, 2006)
  • Deutscher Anwaltverein (DAV)
  • Gesellschaft für Umweltrecht e.V.
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