Isabel Oest

Commeo (Frankfurt)
Lawyer (of Counsel)

Isabel Oest is a Counsel with Commeo LLP, Frankfurt, since January 2015. She joined the firm in September 2010. She has been working with Baker & McKenzie from 2008-2010. Isabel was admitted to the German bar in 2008. She holds a Master of Laws (LL.M.) from the University of New South Wales, Sydney. She studied law at the universities of Trier, Cologne and at the University of East London and served during her legal training as a stagi-aire at DG Competition in Brussels. Isabel advises on all aspects of German and European antitrust law, with an emphasis on merger control and cartel proceedings before the German Federal Cartel Office and the European Commission as well as antitrust related actions for damages.


2649 Bulletin

Isabel Oest The German Federal Court of Justice recognizes that information which became known to lawyers in the process of acquiring new clients may be subject to the right to refuse testimony


In its decision of 18 February 2014, the Federal Court of Justice (the “Court”) considered the right to refuse testimony to apply to any information which became known to a lawyer in the course of two telephone calls he made for the purpose of the acquisition of a new client. As a consequence, (...)

Isabel Oest The Higher Regional Court of Hamm approves access to a criminal file containing a leniency application and the confidential version of a Commission’s fining decision to a civil court reviewing a damage claim against members of a cartel


In its decision of 26 November 2013 , the Higher Regional Court of Hamm (“the Court”) had to decide whether a criminal investigation file including a leniency application submitted by a cartelist and parts of the confidential version of the European Commission’s fining decision could be (...)

Isabel Oest The German Federal Constitutional Court rules that the statutory imposition of interest on cartel fines is in compliance with the German constitution (Industrial insurers)


According to Sec. 81 (6) of the German Act against Restraints of Competition ("ARC") interests are payable on fines imposed on legal persons and associations of persons in an administrative order of the German Federal Cartel Office ("FCO").In its decision of May 2011 the Higher Regional Court (...)


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