Image of Boklo Ehlgen

Dr. Bolko Ehlgen

Intellectual Property Partner, Frankfurt

“I am a passionate intellectual property litigator, specializing in patent law. I thrive on diving deep into the technical issues of a case to drive the overall strategy and our clients’ commercial objectives.”

Overview

Overview

Bolko is a Partner in the IP/Litigation, Arbitration and Investigations practice based in Frankfurt. He specialises in intellectual property litigation, predominantly regarding patents. Bolko is experienced in enforcing intellectual property rights and defending clients against allegations of infringement, particularly in a cross-border context.

Bolko is admitted to practice in Germany and New York. He has been awarded with the Rising Stars Awards Europe 2020 in the “Patents” category by Managing IP/IFLR. WirtschaftsWoche (2019) and Handelsblatt/Best Lawyers (2022) rank him among Germany’s most renowned lawyers for patent litigation.
IAM Patent 1000 ranks him as recommended individual (2020).

Work highlights 

Bolko has advised on many significant cases. These include representing:

  • A globally leading LED manufacturer: Representing the client in its successful enforcement of several patents of its core portfolio against competitors in a cross-border patent dispute (USA, Germany, UK, France, Italy, South Korea, China) and successful defense against infringement allegations.
  • A globally acting pharmaceutical company: Representing the client in a patent infringement proceeding in relation to novel HIV medication in Germany as part of a global dispute against a key competitor.
  • A globally leading pharmaceutical joint venture: Representing the client in a cross-border patent dispute in the US, UK, France and Germany in the field of monoclonal antibodies.
  • A globally leading pharmaceutical manufacturer: Representing the client on the enforcement of patents protecting a drug used for the treatment of a rare disease.
  • The German Ministry of Health: Representing the client in a complex copyright and database rights litigation relating to a medical classification.
  • A globally acting company in the field of security technology: Representing the client in a patent infringement proceeding regarding technology for security features for identity documents.