Elena Freiburg

Dr. Christian Sandweg is a German Patent Attorney (Patentanwalt) and European Patent Attorney at Vossius & Partner Patentanwälte Rechtsanwälte mbB in Düsseldorf. He focuses his practice on Intellectual Property Law , advising clients on the protection and enforcement of patent rights. Dr. Sandweg joined VOSSIUS in 2011 and was admitted to practice as a German Patent Attorney and European Patent Attorney in 2015. As part of his professional training in intellectual property,...

Katja Schramm is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Environmental Law and Regulatory Practice. Katja, 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 Katja is held by other top lawyers in the same geographic and legal practice area.

Dr Jan Joachim Dreyer’s work includes antitrust defence, in particular for companies with strong market positions, in sales and traditional antitrust matters, compliance issues in sales and in all forms of cooperation between competitors. His areas of expertise also include global and local merger control, including litigation over decisions by authorities reaching the German Federal Court of Justice and the European courts, claims for damages arising from antitrust violations, state ai...

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

Olaf Konzak is a partner in the Cologne office of Friedrich Graf von Westphalen & Partner and heads the public law practice. In September 2018, Olaf Konzak and a team of four lawyers from LLR Legerlotz Laschet und Partner moved to the FGvW office in Cologne. Since September 1, 2018, he has been a partner in the practice in public law. His practice focuses on environmental and waste law, chemicals and substances law and public building law. Olaf Konzak has been working as a lawyer since 19...

Karl Maria Walter is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Karl Maria, who practices law in Düsseldorf, Germany, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karl Maria is held by other top lawyers in the same geographic and legal practice area.

Dr. Kai Rüting is a partner at Vossius & Partner Patentanwälte Rechtsanwälte mbB in Düsseldorf. Admitted as an attorney in 2005 and a partner of the firm since 2015, he advises clients on matters involving Intellectual Property Law , with a focus on patent infringement litigation, technology-related arbitration, and licensing disputes. His work frequently involves national and cross-border patent litigation as well as strategic issues concerning the enforcement of inte...

Antonio Calderón is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Antonio, who practices law in Düsseldorf, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Antonio is held by other top lawyers in the same geographic and legal practice area.

Thomas Kerkhoff is partner in our Düsseldorf office. For many years he has been advising clients on intellectual property law. His work includes advice on trademarks, their protection and their realisation. In cooperation with accountants and business economists he is regularly involved in the taxational assessment of trademarks. His work also includes all aspects of copyright protection, designs and unfair trading. He also does litigation in cases of intellectual property infringements ...

Gregor Lamla is a lawyer and partner at the Dusseldorf office of Friedrich Graf von Westphalen & Partner. He advises on real estate financing and transactions with a focus on commercial real estate, especially in the retail sector (shopping centers, downtown department stores and retail parks).Before joining Friedrich Graf von Westphalen, Gregor was a partner at other major law firms as well as GC at a real estate asset management company. He speaks German and English.