Henning Wienstroth

Henning Wienstroth is a German qualified attorney (Rechtsanwalt) in our Hamburg office. He joined Quinn Emanuel in 2013. He has broad litigation experience, including in the areas of antitrust, securities/capital markets, and general commercial litigation, as well as in regulatory investigations.

In the antitrust area, Henning has advised clients in investigations by the German Federal Cartel Office (Bundeskartellamt) and the European Commission, as well as in private antitrust cases (such as follow-on and stand-alone damages cases), covering all aspects of German and European competition law. He has also advised clients on the intersection of intellectual property and antitrust law, in particular on the antitrust implications in connection with the enforcement of standard-essential patents and FRAND licensing.

With respect to the securities/capital markets field, Henning has represented investors in various “bet-the-company” cases, including one of the largest securities litigation cases in Germany and a major case in connection with the privatization of a former state-owned bank.

Henning also has wide-ranging experience in internal investigations and has successfully advised clients in corresponding regulatory disputes with the German Federal Financial Supervisory Authority (BaFin) and the U.S. Department of Justice.

Henning studied law at Bucerius Law School in Hamburg, Germany, and at the University of Cambridge in England. After his studies he worked as a research and teaching assistant at Bucerius Law School. He completed his legal clerkship at the Hanseatic Appellate Court (Hanseatisches Oberlandesgericht) in Hamburg. He is a member of the Hamburg bar association (Hanseatische Rechtsanwaltskammer).