Important changes to international patent filing
Filing international (PCT) patent applications is changing from 1 January 2026. The current eOLF system will no longer support PCT applications, so you’ll need to use WIPO’s ePCT service instead.
Our latest blog explains everything you need to know about this transition, including your three filing options, how to prepare for the change, and the key features of ePCT that will make the process smoother.
Don’t get caught out by this important deadline – read our guide to what’s changing with international patent applications: