Dr. Katharina Hillmer


Katharina advises on all aspects of European and German Competition law.



Representative matters

Bilfinger SE on the acquisition of the European business of Stork in merger control and FSR aspects.

Friesland Campina on the sale of its German business (incl. Landliebe) to Theo Müller Unternehmensgruppe in merger control matters.

Hapag-Lloyd AG, on the acquisition of the container liner business of the German shipping company Deutsche Afrika-Linien; on its acquisition of 40% shareholding in J M Baxi Ports & Logistics Limited, merger control advice. 

Elmos Semiconductor SE on the sale of its wafer fabrication operations to Littelfuse, Inc., USA (Littelfuse), merger control advice.

Scania on follow-up claims for damages in the “truck cartel” case.



Leadership Positions And Professional Affiliations

Studienvereinigung Kartellrecht e.V.



Rechtsanwältin, Germany, 2022


Second German Law Degree, Higher Regional Court of Celle, Germany, 2021

Dr. iur., University of Cologne, Germany, 2021

First German Law Degree, Georg August University of Göttingen, Germany, 2017

A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.