For Over 33 Years


Our clients are only represented by highly specialised lawyers and a well-organised team. O&W’s lawyers specialize in all aspects of international trade, logistics and maritime economics. They have many years of varied experience in national and international disputes.

Our lawyers are all admitted to the bar in Germany. Ms. Gemma Sanz Puig is also admitted as a lawyer in Spain.



Dr. Tristan Wegner


Practicing attorney since 2013, bringing expertise in the field of international customs, trade, and transport law.


Ronald Wegner *


Practicing law since 1982 in Hamburg, in the areas of international trade law, transport law, maritime law, and...

*) until

Non-partnered lawyers


Joachim Mädge


Mr Mädge completed his law degree subsequent to his training as a ship captain. He has been a practicing attorney in Hamburg since 1991.


Gemma Sanz Puig


Gemma Sanz Puig completed her legal training in Spain, where she has been registered as an Abogada since 2002. After her master's degree at the University of Hamburg...


Anton Schmoll


Anton Schmoll joined O&W Rechtsanwälte in 2013 and is a member of the Hamburg Bar. He studied in Hamburg and St. Petersburg...


Wilhelm Osterwald *


Practicing attorney in Hamburg since 1982 dealing primarily with civil law, including issues of labour law.

*) shared office

Employees 2014 – 2020

  • Martje Pritzel
  • Jan-Niklas Schwippert
  • Elias Onken
  • Jonas Jansen
  • Isadora Schirrmacher
  • Jeanne Boilard
  • Sophia von Holtz
  • Johannes Marx
  • Rebekka Sinn
  • Greta Oelrichs
  • Jasmin Petersen
Call directly and get advice 040 - 36 96 15 0