T +49 69 29994 0
Sonja's practice focuses on banking and corporate litigation.
She represents banks and corporations in a wide range of capital market and prospectus liability cases, and has extensive experience in the area of mass actions. Banks also benefit from her representation in their defence against claims for damages based on potentially deficient investment advice, and in connection with investment products and swap deals.
Such clients benefit both from Sonja's significant insight and experience navigating the legal complexities of banking and corporate litigation, and her commitment to the pursuit of their interests.
A prolific writer on matters of potential interest to her clients, Sonja is also an active member of several professional associations, including the German Lawyers Association, DIS – 40 (Deutsche Institution für Schiedsgerichtsbarkeit), Young LCIA (London Court of International Arbitration), Working Group Bank & Capital Market Law of the German Bar Association, and the German-American Lawyers Association (DAJV).
Exclusive representation with regard to Wölbern-Funds.
Exclusive representation with regard to Swaps.
Representation regarding the clients' defence against claims for damages in connection with funds, certificates and derivatives.
New clarity/ambiguity regarding internal commissions and reimbursement in investments (Neue (Un-)Klarheit bezüglich lnnenprovisionen und Rückvergütungen bei Kapitalanlagen), NJW, Issue 40, pp. 2909–2913, 2014, (co-author with Stefan Lars-Thoren Heun-Rehn and Isabelle Ruf)
Valid consent in data protection law taking into account the Proposal for a Regulation of the European Parliament and of the Council on the protection of individuals with regard to the processing of personal data and on the free movement of such data, ELR, Issue 6, pp. 206–215, 2013, (General Data Protection Regulation) of 25 January 2012 (co-author with Stefan Peintinger)
Liability for incorrect securities prospectus containing an incomplete description of intragroup investments. Commentary on the decision of the Federal Court of Justice of September 18, 2012 – XI ZR 344/11, ZWH, Issue 7, pp. 287–290, 2013, (co-author with Stefan Deller)
The requirements for ad hoc disclosure in protracted processes (Ad-hoc-Publikationspflicht bei zeitlich gestreckten Vorgängen), ELR, Issue 10, pp. 262–269, 2012, (co-author with Julia Sitter and Stefan Deller)
The investment advisor‘s duty to provide information about legal risks resulting from changes in the law; duties to identify and advise about risks. Commentary on the decision of the Federal Court of Justice of December 1, 2011 – III ZR 56/11, WuB, July, pp. 358–388, 2012, (co-author with Markus Hauptmann)
The road towards achieving insolvency-proof direct debits, NJW, Issue 48, p. 3484 et seqq., 2010, (co-author with Mareile Müller-Felsch)
Grossly negligent ignorance of an error in the advice provided by an investment adviser, BB, Issue 34, p. 2005 et seqq., 2010, (co-author with Mareile Müller-Felsch)
Duty of investment advisers to review the business press in timely fashion (Federal Court of Justice – Judgment of 5 November 2009 III ZR 302/08), BB, Issue 13, p. 725 et seqq., 2010, (co-author with Markus Langen)