IPER

International Preliminary Examination Report (Form PCT/IPEA/409), produced by an International Preliminary Examining Authority, is a preliminary and non-binding opinion on whether the invention claimed in an international application appears to be novel, to involve an inventive step (to be non-obvious), and to be industrially applicable.

Context: Patent 

A preliminary, non-binding opinion, established by the International Preliminary Examining Authority on the request of the applicant, on the questions whether the claimed invention appears to be novel, to involve an inventive step (to be non-obvious), and to be industrially applicable. As of 1 January 2004, this report is also known as the "international preliminary report on patentability (Chapter II of the PCT)".