INTERNATIONAL PATENT: APPLE INC. FILES APPLICATION FOR "MAINTAINING A PDU SESSION AT AN INTER-SYSTEM CHANGE BETWEEN 4G AND 5G MOBILE NETWORKS"

GENEVA, Oct. 15 -- APPLE INC. (One Apple Park WayCupertino, CA 95014) filed a patent application (PCT/US2025/022755) for "MAINTAINING A PDU SESSION AT AN INTER-SYSTEM CHANGE BETWEEN 4G AND 5G MOBILE NETWORKS" on Apr 02, 2025. With publication no. WO/2025/212779, the details related to the patent application was published on Oct 09, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): GRUBER, Roland (One Apple Park WayCupertino, CA 95014), ZAUS, Robert (One Apple Park WayCupertino, CA 95014)

Abstract: An apparatus of a user equipment (UE) configured to: transmit a PDU session establishment reques...