How to File your International Application

In this episode, Matthias Reischle, Deputy Director, PCT Legal Division, introduces international search. He discusses: the role of the International Searching Authority (ISA); the tasks of the ISA; what is considered prior art when the international search is carried out; the international search report (ISR) and written opinion (WO); and the international preliminary examination report (IPRP), issued under Chapter I, and Chapter II, of the PCT.