Invention Grant
- Patent Title: Trusted custody chain for verifiable claims
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Application No.: US17334869Application Date: 2021-05-31
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Publication No.: US11804966B2Publication Date: 2023-10-31
- Inventor: Brandon Brian Murdoch , Ankur Patel , Eric Christopher Sachs
- Applicant: Microsoft Technology Licensing, LLC.
- Applicant Address: US WA Redmond
- Assignee: Microsoft Technology Licensing, LLC
- Current Assignee: Microsoft Technology Licensing, LLC
- Current Assignee Address: US WA Redmond
- Agency: WORKMAN NYDEGGER
- Main IPC: H04L9/40
- IPC: H04L9/40 ; H04L9/32 ; H04L9/00

Abstract:
A first chain of custody verifiable claim is received by a second entity from a first entity. The first chain of custody verifiable claim is signed by the first entity and specifies that an object was in the custody of the first entity. A distributed ledger is accessed to verify the first chain of custody verifiable claim. A second chain of custody verifiable claim is generated that embeds the first chain of custody verifiable claim and is signed by the second entity. The second chain of custody verifiable claim is recorded on the distributed ledger. The second chain of custody verifiable claim is provided to a third entity. The second chain of custody verifiable claim is configured to specify to the third entity that the object was in the custody of the second entity.
Public/Granted literature
- US20220385476A1 TRUSTED CUSTODY CHAIN FOR VERIFIABLE CLAIMS Public/Granted day:2022-12-01
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