Claudia Hahn is a qualified multilingual secretary and has worked many years as a trademark paralegal in the trademark department of the international law firm Linklaters Oppenhoff & Rädler. In 2004, she moved to the trademark department of the law firm Siebeke Lange Wilbert. Claudia Hahn is with ARNOLD RUESS since 2014.

She speaks German, English and French. At ARNOLD RUESS, she is primarily supporting Peter Ruess and is responsible for the trademark prosecution.