The effective filing date of a claimed invention in an AIA application (other than reissue applications) is the earlier of:
(1) the actual filing date of the application
or
(2) the filing date of the earliest application for which the application is entitled, as to such invention, to a right of foreign priority or the domestic benefit of an earlier filing date.
Effective filing date for Taylor’s invention X is July 1, 2013, which is the filing date of the foreign priority application