Many US patent filers always file their PCT applications in RO/US, and many US patent filers don’t know how to file a PCT application anywhere else (such as RO/IB). But during the four-day period from March 14 to March 17, smart US patent filers are filing their PCT applications in RO/IB using ePCT rather than RO/US using EFS-Web.
Continue reading “Why the smart US filers are filing in RO/IB this weekend”