Dr. Marlene Ziebig

(Dr. rer. nat., Dipl.-Chem.)

Patent Attorney
European Patent and Trademark Attorney

Dr. Marlene Ziebig graduated in chemistry at the State University of Kharkov, in the former Soviet Union with a specialisation in physical chemistry and thermodynamics. In 1975 she finished her studies with the diploma. Until 1982 she worked as a research assistant in research and teaching, in the chemistry department of the Humboldt University of Berlin where she also received her doctor’s degree (Dr.rer.nat.) with specialisation in organic electrochemistry.

Since 1982 until now Dr. Ziebig specialises in IP law. She worked from 1982 to 1990 at the Academy of Sciences in Berlin. Between 1982 and 1985 she successfully pursued postgraduate studies in IP law at the Humboldt University of Berlin. 1991/1992 she practised as Patent Attorney in the patent law firm Kreisler Selting Werner in Köln.

Since 1991 Dr. Ziebig is a qualified European Patent Attorney and 1993 she qualified as a German Patent Attorney.

In 1993 she founded together with Klaus Gulde the patent law firm Gulde & Ziebig. Later Jürgen Hengelhaupt and Henry Schneider joined the firm, then named Gulde Hengelhaupt Ziebig & Schneider. This firm was transformed in 2014 into the partnership company Gulde & Partner, and Dr. Ziebig was Senior Partner until the end of 2014.

In 2015 Dr. Ziebig started the Ziebig Patent Law Firm. Together with Jürgen Hengelhaupt this firm was transformed into the IP law firm ZIEBIG & HENGELHAUPT at the beginning of 2018. Although Dr. Ziebig retired as an active partner in 2020, she will continue to provide advice to the firm.

Practice areas

  • National, European and International Patent Law

Technology areas

  • Chemistry
  • Electrochemistry
  • Environmental Technologies
  • Cosmetics
  • Medical Technology
  • Engineering Mechanics


German, English, Russian


Tel: +49-171-2865587
E-Mail: office@ziebig-patent.com