Lapsed Dec 22, 2024 on the fee record · High confidence
20-year base term ends May 10, 2030
First maintenance fee unpaid; grace period ended.
Held by Acuant, Inc.
Filed Sep 1, 2016 as application 15/255,034 · Granted Dec 22, 2020
Base term, 20 years from filing, plus 999 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Dec 22, 2024
2010
2031
Clock starts
May 10, 2010
May 10, 2010
No longer in force
Dec 22, 2024
Dec 22, 2024
Granted
Dec 22, 2020
Dec 22, 2020
Term would have run to
Dec 15, 2031
Dec 15, 2031
base term
patent term adjustment
after the term ends
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
999
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,471,920.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
5
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 Dec 15, 2031: its 20-year base term plus 999 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 May 10, 2010, when application 12/776,784, the earliest non-provisional in its chain, was filed (this one was filed Sep 1, 2016) | May 10, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +999 days, USPTO patent term adjustment record | Feb 2, 2033 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,471,920) | capped to Dec 15, 2031 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | lapsed Dec 22, 2024 | High confidence |
| Computed term end | The steps above, in order | Dec 22, 2024 | High confidence |
This family
| US 9,471,920 | In force Dec 2031 | Dec 2031 |
| US 10,346,845 | In force May 2030 | May 2030 |
| US 10,872,338 | this patent Dec 2024 | Dec 2024 |
| Application 15/415,749 | Abandoned not computed | not computed |
| Application 17/129,591 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Dec 20, 2016 Reel 40689, frame 726 | Kolkowitz, Dan; Elgamal, Taher; Sherlock, Kieran Gerard | Identitymind, Inc. | Assignment of Assignor's Interest |
| Dec 20, 2016 Reel 40690, frame 41 | Identitymind, Inc. | Idm Global, Inc. | Assignment of Assignor's Interest |
| Aug 27, 2019 Reel 50185, frame 369 | Idm Global, Inc. | Identitymind Global, Inc. | Assignment of Assignor's Interest |
| Sep 18, 2019 Reel 50409, frame 826 | Identitymind Global Inc. | Crestline Direct Finance, L.P., as Collateral Agent for the Benefit of Secured Parties | Security Interest |
| Nov 30, 2021 Reel 58234, frame 781 | Crestline Direct Finance, L.P., as Collateral Agent | Identitymind Global Inc. | Release of Security Interest |
| Jul 23, 2025 Reel 72206, frame 627 | Identitymind Global, Inc. | Acuant, Inc. | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 999 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,471,920.
Citations
22
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.