Co-founding partner

European Patent Attorney
Conseil en propriété industrielle (French Patent Attorney)
Master of Laws (civil law)
UPC representative


Aujain graduated as an engineer from the prestigious Ecole Polytechnique, with a major in applied mathematics. Turned towards Asia, he did a six-month research internship on databases at Toshiba in Yokohama. He also graduated from the University of Tokyo where he obtained a research-oriented Master’s degree (MSc) in innovation management.

Prior to co-founding Bandpay & Greuter, Aujain worked for more than five years in a prominent patent attorney law firm in Paris.

Aujain’s main fields of expertise are NICTs and applied mathematics. He also handles electrical engineering and mechanical engineering cases.

By way of example, some technologies on which he regularly works are:

  • computer programs and algorithms;
  • applied mathematics;
  • telecommunication networks;
  • medical devices;
  • petroleum industry;
  • connected cars.

Aujain has considerable experience in patent prosecution before the European, American, Japanese, Korean, Indian and Chinese patent offices. He is a skilled patent application drafter for European and international proceedings.

He also represents clients in opposition proceedings at the European patent office, in particular in the field of medical devices.

Aujain regularly gives lectures on patent law, in particular on the topic of software patentability. He belongs to a number of professional organizations, including the International relations committee of the CNCPI and the Institut Stanislas de Boufflers, a French think tank dedicated to the protection of innovation of which he is treasurer.