The Legal 500 - The Clients Guide to Law Firms

Andriy Fedchyshyn is a partner at Onstan. He specializes in dispute resolution, energy law, banking and corporate law. Mr. Fedchyshyn currently handles a wide variety of litigation, as well as corporate law matters. Most notable, Mr. Fedchyshyn presently represents a large international company in several significant antitrust litigations.

Before joining Onstan Mr. Fedchyshyn worked in international law firms BC Toms and Salans. He also headed legal departments of Energoatom and Oblenergo, Ukraine’s leading energy companies.

Mr. Fedchyshyn designed a complex system of preventative solutions against unfriendly takeovers and raiding that is now actively being implemented by Onstan’s clients.


  • Kyiv National University Taras Shevchenko
  • University of Southern California (USC Gould Law School)
  • Jagiellonian University, Krakow


Ukrainian, English, Polish, Russian