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Jelle Drok


Commercial litigation | Intellectual property | International arbitration | Mass claims | Technology |

Really good, I don't like being opposite him

JUVE 2021

Profile details

About Jelle Drok

Jelle is an expert in technology litigation. 

His strong affinity for technology and his background in aerospace engineering make him uniquely qualified to handle factually and legally complex technology-related litigation and arbitration cases for the world's leading companies.

Jelle has particular expertise in litigating complex patent disputes involving multiple jurisdictions. He also regularly advises on IP portfolio strategies, trademarks, copyrights, data, know-how and enforcement.

Recent work

HP Inc.: Class action about dynamic security software in inkjet printers

HP Inc.: Various patent cases on inkjet cartridges

Volkswagen: Class action about software in diesel engines

Nikon: 11 simultaneous patent cases on litography machines

Siemens-Güriş Consortium: Several setting aside proceedings of arbitral awards

Novartis: Patent case about a Second Medical Use Patent on zoledronic acid (Zometa)

Novartis: License dispute

Stanford University / ASSIA: Enforcement of Standard Essential Patents on Vectored VDSL technology

Ajinomoto: Litigation about trade secrets on genetically modified bacterial strains

Anheuser-Busch Inbev: Litigation about exclusivity granted by a foreign state

Anheuser-Busch Inbev: Patent case about beertenders

Bristol-Myers Squibb: Patent case on pembrolizumab (Keytruda)

Bristol-Myers Squibb: Patent case on apixaban (Eliquis)

Johnson & Johnson: Patent case on Acuvue Oasys contact lenses

Rémy Cointreau: Litigation about design rights on KLM Business Class Royal Delft houses

Dutch Traveller Guarantee Fund (SGR): Various litigations

ST Microelectronics: Patent case on Tufnell microphones in Nokia mobile phones

Lanxess: Arbitration about a Freedom to Operate Clause in an SPA

Essent: Arbitration about a price agreement related to the operation of a combined heat and power plant

AbbVie: Patent case on adalimumab (Humira)

Schlumberger: 6 simultaneous patent cases on electromagnetic surveying technologies

Schlumberger: Litigation involving Schlumberger trademarks and copyrights

Autodesk: Copyright litigation about AutoCAD software



  • LLM in Dutch Private Law at Leiden University
  • BSc in Aerospace Engineering at Delft University of Technology

Additional responsibilities

  • Judicial clerk for the President of the District Court of The Hague
  • Legal assistant of Henk Snijders, Professor of Law in Dutch Procedural Law at Leiden University