Johannes Ristelhuber

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.

Carsten Grave is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law and Corporate Governance and Compliance Practice. Carsten, who practices law in Cologne, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carsten is held by other top lawyers in the same geographic and legal practice area.

Since 2009, Simone Zündorf has specialised in construction and architectural law as well as real estate law. She advises and represents clients in services contract law, both in and out of court, and conducts mediation proceedings. Zündorf also advises numerous small and medium-sized companies on commercial law matters and regularly provides legal training for clients, with a focus on contract drafting. She is based in Düsseldorf.

Lawyer and Mediator Partner

Hermann Kahlhöfer advises clients in patent law, in particular in the fields of electrical engineering, medical technology and physics. He has been working in the field of intellectual property for more than 40 years and has extensive experience in the field of national and international patent prosecution procedures and patent infringement matters as well as in the development and exploitation of intellectual property portfolios. After completing two years of military service with a spe...

Gabi Müllejans LL.M. oec. is a lawyer and local partner at Friedrich Graf von Westphalen & Partner. Since 2024, she has been working in the intellectual property and trademark and design law practice of Friedrich Graf von Westphalen & Partner’s Cologne office. She has many years of working experience as a trademark and competition lawyer at leading, internationally oriented law firms. She worked as a lawyer specializing intellectual property law at a renowned IP boutique in...

Antje Weiss is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law. Antje, 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 Antje is held by other top lawyers in the same geographic and legal practice area.

Uwe Steingröver is a lawyer and accredited specialist for construction and architectural law and a partner at Friedrich Graf von Westphalen & Partner. He also regularly gives lectures for different suppliers. Uwe’s main focus lies on real estate law, private construction law, facilities construction law and litigation. He is a member of the German Bar Association’s Working Group on Construction Law and the Working Group on Landlord and Tenant Law, as well as the Committee...

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.

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,...