Sonia Dias - Bandpay & Greuter

Sonia DIAS

European Patent Attorney
Conseil en propriété industrielle (French patent attorney)


Sonia graduated from the Ecole nationale supérieure de chimie (Paris) and holds a PhD in organic chemistry from the Strasbourg University. She also obtained the diploma on European patent litigation awarded by the Strasbourg University

Before joining Bandpay & Greuter, Sonia worked in several patent law firms for twenty years, including as a principal.

Her scope of intervention is wide-ranging: acquisition of rights, including drafting new patent applications, filing supplementary protection certificates, and prosecuting applications in France and abroad; conducting opposition and appeal proceedings at the EPO; auditing patent portfolios; advising clients on freedom to operate issues as well as patent litigation.
Some of her subjects of expertise include:

  • pharmacology;
  • diagnostics;
  • chemical synthesis;
  • cosmetics;
  • polymers and material science.

The firm also benefits from Sonia’s invaluable experience in quality control.