Zengo Ltd.
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Previously recorded as Kzen Networks Ltd. (to 2022)
0
Ending by 2030
Aug 2040
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Sep 12, 2027The maintenance fee for System and Method for Key Recovery and Verification in Blockchain Based Networks (US 11,930,110) comes due Sep 12, 2027. Unpaid by Mar 13, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
Showing 1 to 7 of 7
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,539,510 | System and method of cryptographic key management in a plurality of blockchain based computer networks In force · From the USPTO record | In force | From the USPTO record | |
| US 11,616,643 | System and Method of Management of a Shared Cryptographic Account In force · High confidence | In force | High confidence | |
| US 11,930,110 | System and Method for Key Recovery and Verification in Blockchain Based Networks In force · High confidence | In force | High confidence | |
| US 12,192,326 | System and method of multi-party computation based multi-factor authentication In force · From the USPTO record | In force | From the USPTO record | |
| US 12,192,381 | System and method for secure multi-party computation based blockchain transaction In force · From the USPTO record | In force | From the USPTO record | |
| US 11,616,854 | System and Method of Secured Interface to a Blockchain Based Network In force · High confidence | In force | High confidence | |
| US 12,756,578 | System and Method of Secured Digital Asset Transfer in a Computer Network In force · High confidence | In force | High confidence |
Also on record, not counted in the 7: 1 patent in force now held by others. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
1 abandoned · 2 no status recorded