International Patent: HIERARCHICAL MANAGEMENT METHOD AND APPARATUS FOR FILE ENCRYPTION AND DECRYPTION, ELECTRONIC DEVICE, AND MEDIUM

GENEVA, June 26 -- CHINA TELECOM CLOUD TECHNOLOGY CO., LTD. filed a patent application (CN2025/137160) for “HIERARCHICAL MANAGEMENT METHOD AND APPARATUS FOR FILE ENCRYPTION AND DECRYPTION, ELECTRONIC DEVICE, AND MEDIUM”. With publication no. WO/2026/118931, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: H04L 9/40

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

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