Jochen Ehlers mainly works on patent infringement cases and on the prosecution and defence of intellectual property, where his litigation experience stands him in very good stead. Jochen Ehlers also has special experience in writing and defending national, European and international patent applications. He also advises clients on all national and European licensing matters.

Jochen Ehlers is the publisher and co-author of the “Beck’scher Kommentar” on the European Patent Convention; Chairman of Special Committee Q176 of the International Association for the Protection of Intellectual Property (AIPPI) for drafting Implementing Regulations for the revised European Patent Convention 2000; lecturer at the German Lawyers’ Academy (“Strategic Deployment of Patents”).

He represented the winning plaintiffs in the “Orange Book Standard” case and also in the recent “Sisvel vs. Haier” case before the Federal Court of Justice, which both attracted considerable attention as landmark decisions on the antitrust defence (“FRAND defence”) for avoiding injunctions in SEP patent infringement proceedings.

For more than ten years, the legal publisher JUVE has been ranking Jochen Ehlers as “Leading Individual” among all German patent attorneys and recommends him in this distinguished group with a technical focus on “IT/Software”.

According to Handelsblatt/Best Lawyers, Jochen Ehlers ranks as one of Germany’s best lawyers in 2025 in the field of Intellectual Property Law and Litigation. He was awarded the “Legal-All-Star 2020” silver award as the second best patent attorney in Germany by WirtschaftsWoche in 2021. He was elected 2022 and 2024 among Germany’s patent attorneys “TOP Attorney”. Moreover, Jochen Ehlers was awarded winner 2021 of the “Impact case of the year” Managing IP award on March 30th, 2021. Who’s Who Legal 2022 recognized: “Jochen Ehlers receives a plethora of endorsements from his strong prosecution and defence experience in patent infringement proceedings”.

Jochen Ehlers has been honored by IAM Patent 1000 as “Leading Patent Professional 2022” and recognized as follows: “Jochen Ehlers applies litigation learnings in a prosecution context and vice versa, making him astute and effective all-round patent protector for his clients. He has a deep substantive knowledge of European and international patent law and important subjects such as standard essentiality.”

Jochen Ehlers is one of the few eminently respectable entitled UPC representatives which qualified for registration on the list of under Rule 11 REPLC, as he holds a Master of Laws degree (LL.M. European IP law) which was accepted as a qualification equivalent to the European Patent Litigation Certificate.

Jochen Ehlers speaks German, English, French (basic skills) and Japanese (basic skills).