Kay Diedrich

Born in 1934 Legal studies at the Universities of Marburg, Münster and Berlin First Exam ("1. Staatsexamen") in 1957 Doctor of both Laws (Dr. jur. ut.) 1960 Legal clerkship ("Referendariat") in at the Detmold and Berlin District Courts Second (Bar) Exam ("2. Staatsexamen") in 1962 First bar admission in 1962 Managing director of an industrial company, 1964 - 1973 Renewed bar admission in 1973 Certified Specialized Attorney in Tax Law since 1973

Arne Kießling is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Arne, who practices law in Düsseldorf, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arne is held by other top lawyers in the same geographic and legal practice area.

Alexander Kessler is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Litigation and Mergers and Acquisitions Law. Alexander, who practices law in Cologne, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexander is held by other top lawyers in the same geographic and legal practice area.

Sabine Dethof is a patent litigator and Salaried Partner at HEUKING, Düsseldorf. As a Certified Specialist Lawyer in Intellectual Property Law with 14 years of professional practice, she has a wide range of experience, in particular in the field of mechanical engineering and in the areas of automotive, semiconductors and medical devices. Besides the daily business of patent infringement proceedings she is especially experienced in nullity proceedings before the Federal Patent Court. For ...

Kristina Klaaßen-Kaiser is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Kristina, who practices law in Düsseldorf, Germany, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristina is held by other top lawyers in the same geographic and legal practice area.

Michael Sörgel is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Michael, who practices law in Düsseldorf, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

Dr. Anna Cryns-Moll studied law at Cologne University and Paris I Panthéon-Sorbonne within the framework of completion of the German-French masters degree (LL.M./maîtrise en droit). After having accomplished the first state exam in law she worked as a research associate at the Institute for tax law at Cologne University, completing her doctorate with honors in 2010. While performing her legal clerkship she also stayed abroad, in Singapore and New York. After finishing the legal c...

Born in 1972 Legal studies at Bielefeld University First Exam ("1. Staatsexamen") in 1998 Doctoral research a Friedrich-Naumann-Stiftung Fellow Research associate under Prof. Dr. Oehler (Chair for Commercial and Business Law, as well as Comparative Law) at Bielefeld University Legal clerkship ("Referendariat") at the Bielefeld District Court Second (Bar) Exam ("2. Staatsexamen") in 2001 Bar admission in 2002, and with the firm since then Doctor of Laws (Dr. jur.) 2003 Certified Specialized At...

Simon Groneberg is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Simon, who practices law in Düsseldorf, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Simon is held by other top lawyers in the same geographic and legal practice area.

Dr. Alex Petrasincu is Managing Partner at Hausfeld in Germany. He advises on all aspects of European and German competition law with a special focus on antitrust litigation. Alex is specialized in representing parties in cartel damages actions before the German courts, and has advised on damages actions in various jurisdictions. Alex has represented parties in and advised on actions before numerous German District Courts, Courts of Appeals, the German Constitutional Court, as well as the Eur...