The EPO published patent application EP3809663A1 for Huawei's signing information configuration method and communication device. The application covers cryptographic security techniques for wireless communication authentication and has four IPC classifications spanning access security (H04W 12/) and cryptographic protocols (H04L 9/40). The designated contracting states include all EU member states plus Switzerland, Norway, Turkey, and other European Patent Convention members.

No regulatory compliance actions are required from this patent publication. Technology companies and telecommunications firms may review the published technical specifications to understand Huawei's intellectual property claims in the cryptographic security domain. Patent publications do not impose penalties or compliance deadlines.