The European Patent Office (EPO) has published patent application EP4426042A2, titled "Cross-carrier transmission method and apparatus, and terminal device." The application was filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD. and lists WANG, Shukun and XU, Weijie as inventors. The publication date is March 18, 2026, and it falls under the IPC classification H04L, relating to networking.

This publication is a notice of a patent application and does not impose any new regulatory obligations or compliance requirements on regulated entities. It is primarily of interest to legal professionals and technology companies involved in intellectual property and telecommunications patent filings within the designated states of the EPO.