The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 2025
Filed:
Jul. 24, 2023
Kyndryl, Inc., New York, NY (US);
Cesar Augusto Rodriguez Bravo, Alajuela, CR;
David Alonso Campos Batista, Aurora, CR;
Kyndryl, Inc., New York, NY (US);
Abstract
Embodiments relate to preventing access of removed users to messages shared in a group chat with an end-to-end encryption. An aspect includes, responsive to creation of a group having members for communicating using encryption keys, receiving a request to remove a given member of the members from the group, the given member being associated with a computer system, at least one message of the group being accessible to the given member. An aspect includes identifying the encryption keys associated with the given member and causing a deletion on the computer system of the encryption keys associated with the given member in response to the request. An aspect includes confirming the deletion of the encryption keys on the computer system associated with the given member. The deletion of the encryption keys on the computer system prevents access of the computer system to at least one message of the group.