QNAP Systems Assigned Patent
Access control list management method, data storage device and computer-readable medium
By Francis Pelletier | June 2, 2025 at 2:00 pmQNAP Systems, Inc., New Taipei, Taiwan, has been assigned a patent (12316639) developed by Wu; Tsu-Yu, New Taipei, Taiwan, for “access control list management method, data storage device and computer-readable medium.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: “An access control list (ACL) management method is provided. The ACL management method is used in a file system and includes: storing an ACL pattern, where the ACL pattern corresponds to a subtree of a directory tree in the file system and includes a root access control list (RACL), the ACL of the root node of the subtree is the RACL, the ACL of each non-root directory of the subtree is the same inherited directory access control list (DACL) generated according to the RACL, and the ACL of each non-root file of the subtree is the same inherited file access control list (FACL) generated according to the RACL. A data storage device and a computer-readable medium for executing the ACL management method are also provided.”
The patent application was filed on 2022-12-29 (18/148302).