Collateral for a security interest recorded Mar 27, 2024 (BMO Bank N.A.).
Lapsed Sep 30, 2018 on the fee record · High confidence
20-year base term ends Sep 4, 2033
First maintenance fee unpaid; grace period ended.
Held by Entrust Corporation
Filed Sep 4, 2013 as application 14/017,754 · Granted Sep 30, 2014
Base term, 20 years from filing
Today
Lapsed Sep 30, 2018
2013
2033
Clock starts
Sep 4, 2013
Sep 4, 2013
No longer in force
Sep 30, 2018
Sep 30, 2018
Granted
Sep 30, 2014
Sep 30, 2014
Term would have run to
Sep 4, 2033
Sep 4, 2033
base term
after the term ends
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
0 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
9
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Sep 4, 2033: its 20-year base term, with no adjustment for prosecution delay. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 4, 2013, when this application, 14/017,754, was filed | Sep 4, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Sep 30, 2018 | High confidence |
| Computed term end | The steps above, in order | Sep 30, 2018 | High confidence |
This family
| US 8,849,764 | this patent Sep 2018 | Sep 2018 |
| US 9,213,706 | In force Sep 2033 | Sep 2033 |
| US 9,262,281 | In force Oct 2033 | Oct 2033 |
| Application PCT/US2014/041486 | PCT application no patent term | no patent term |
| US 10,061,658 | In force May 2035 | May 2035 |
| Application 14/590,171 | Abandoned not computed | not computed |
| US 10,089,192 | In force Sep 2033 | Sep 2033 |
| US 10,102,079 | In force Aug 2034 | Aug 2034 |
8 of 9 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Sep 4, 2013 Reel 31135, frame 947 | Zelikov, Misha; Long, Paula; Panner, Bryan Keith; Bochkov, Dmitry; Ferris, Andrew; McCall, Eric K. | Datagravity, Inc. | Assignment of Assignor's Interest |
| Jul 7, 2017 Reel 42930, frame 758 | Datagravity, Inc. | Hytrust, Inc. | Assignment of Assignor's Interest |
| Mar 18, 2024 Reel 66806, frame 262 | Hytrust, Inc. | Entrust Corporation | Merger |
| Mar 27, 2024 Reel 66917, frame 24 | Entrust Corporation | Bmo Bank N.a., As Collateral Agent | Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
Citations
103
later US patents cite this one
That is top 5% of utility patents granted in 2014 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.