Cordula Tellmann-Schumacher

Arnold Ruess (Düsseldorf)
Lawyer (Partner)

Cordula Tellmann-Schumacher is a partner of the boutique law firm ARNOLD RUESS. She specializes in intellectual property law and, in particular, patent litigation. She continuously advises national and international clients in patent infringement and validity proceedings and on license agreements, e.g. in the area of telecommunications, electronics, pharmaceuticals, mechanics and consumer goods. Several of these cases include anti-trust issues, e.g. FRAND and other licensing topics. She is continuously listed as an expert in her field in IAM Patent 1000 (quote: “joy to work with”) where her competence in pharma cases is emphasized (“the pharma ace”). The JUVE Handbook German Commercial Law Firms annually highly recommends Cordula for patent litigation (quote: "very good trial preparation"). Leaders League also highly recommends her. Legal 500 lists her as “accessible, expert in her field” who offers a “prompt and reliable service”.


534 Bulletin

Cordula Tellmann-Schumacher The Düsseldorf Regional Court orders injunctive relief for infringement of standard-essential patents in the first German judgments after CJEU decision on FRAND (Sisvel / Haier)


On 3 November 2015, the Düsseldorf Regional Court has issued judgments against Haier Deutschland GmbH und die Haier Europe Trading SRL, entities of Chinese Qingdao Haier Group. The Court ordered them to cease and desist from and render account on past infringements as well as determined Haier’s (...)

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