Collateral for a security interest recorded Oct 27, 2021 (Elm Park Capital Management, LLC).
Term ends Aug 26, 2031 · High confidence
20-year base term ends Feb 25, 2031
Held by Secureauth Corporation
Filed Feb 25, 2011 as application 13/035,289 · Granted Aug 13, 2013
Base term plus 182 days of patent term adjustment (USPTO delay)
Today
2011
2031
Clock starts
Feb 25, 2011
Feb 25, 2011
Term ends
Aug 26, 2031
Aug 26, 2031
Granted
Aug 13, 2013
Aug 13, 2013
base term
patent term adjustment
fee events
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
182
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 182 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Feb 25, 2011, when this application, 13/035,289, was filed | Feb 25, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +182 days, USPTO patent term adjustment record | Aug 26, 2031 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 26, 2031 | High confidence |
This family
| US 8,510,816 | this patent Aug 2031 | Aug 2031 |
| US 9,338,155 | In force Aug 2031 | Aug 2031 |
| US 9,930,040 | In force Feb 2031 | Feb 2031 |
| US 10,567,385 | In force Feb 2031 | Feb 2031 |
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 |
|---|---|---|---|
| Feb 28, 2011 Reel 25871, frame 255 | Quach, Allen Yu; Grajek, Garret; Lo, Jeffrey Chiwai; Lambiase, Mark | Secureauth Corporation | Assignment of Assignor's Interest |
| Aug 8, 2016 Reel 39368, frame 463 | Secureauth Corporation | Western Alliance Bank | Security Interest |
| Dec 18, 2017 Reel 44899, frame 635 | Western Alliance Bank | Secureauth Corporation | Release of Security Interest |
| Jan 3, 2018 Reel 44522, frame 31 | Secureauth Corporation | Pnc Bank, National Association | Security Interest |
| Oct 27, 2021 Reel 57937, frame 732 | Secureauth Corporation | Elm Park Capital Management, LLC | Security Interest |
| Aug 12, 2024 Reel 68563, frame 176 | Cloudentity, Inc.; Secureauth Corporation | Western Alliance Bank | Security Interest |
| Aug 12, 2024 Reel 68251, frame 496 | Pnc Bank, National Association | Secureauth Corporation | Release of Security Interest |
| Aug 14, 2024 Reel 68288, frame 856 | Midtown Madison Management LLC (as Successor to Elm Park Capital Management, LLC) | Secureauth Corporation | Release of Security Interest |
| Feb 3, 2025 Reel 70086, frame 158 | Pnc Bank, National Association | Secureauth Corporation | Release of Security Interest |
| Jun 23, 2026 Reel 75040, frame 723 | Pnc Bank, National Association | Secureauth Corporation | Release of 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.
What's changing
Aug 2031
Term ends Aug 26, 2031. No further fees fall due before then
Note
The 182 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
291
later US patents cite this one
That is top 5% of utility patents granted in 2013 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.