The Patent Finder
US

Mobile Multifactor Single-Sign-On Authentication

US 8,769,651 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Oct 27, 2021 (Elm Park Capital Management, LLC).

Term ends Mar 14, 2033 · High confidence

Filed Mar 14, 2013 as application 13/830,506 · Granted Jul 1, 2014
Base term, 20 years from filing
Today
20 years from filing
2013 2033
Clock starts
Mar 14, 2013
Term ends
Mar 14, 2033
Granted
Jul 1, 2014
base term 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
None
Term adjustment
No prosecution delay on this record.
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 is its 20-year base term, with no adjustment for 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Mar 14, 2013, when this application, 13/830,506, was filedMar 14, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 14, 2033High confidence

This family

US 8,769,651this patent
Mar 2033
Mar 2033
Application PCT/US2013/058268PCT application
no patent term
no patent term
US 9,369,457In force
Mar 2033
Mar 2033
US 10,200,357In force
Mar 2033
Mar 2033
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.
RecordedAssignorAssigneeConveyance
Apr 8, 2013
Reel 30167, frame 66
Frajek, Garrett Florian; Lo, Jeff Chiwai; Phillips, Robert Jason; Tung, Shu JenSecureauth CorporationAssignment of Assignor's Interest
Apr 10, 2013
Reel 30229, frame 383
Grajek, Garret Florian; Lo, Jeff Chiwai; Phillips, Robert Jason; Tung, Shu JenSecureauth CorporationCorrective Assignment R/F (030167/0066) Correcting First Assignor Last Name.
Aug 8, 2016
Reel 39368, frame 463
Secureauth CorporationWestern Alliance BankSecurity Interest
Dec 18, 2017
Reel 44899, frame 635
Western Alliance BankSecureauth CorporationRelease of Security Interest
Jan 3, 2018
Reel 44522, frame 31
Secureauth CorporationPnc Bank, National AssociationSecurity Interest
Oct 27, 2021
Reel 57937, frame 732
Secureauth CorporationElm Park Capital Management, LLCSecurity Interest
Aug 12, 2024
Reel 68563, frame 176
Cloudentity, Inc.; Secureauth CorporationWestern Alliance BankSecurity Interest
Aug 12, 2024
Reel 68251, frame 496
Pnc Bank, National AssociationSecureauth CorporationRelease of Security Interest
Aug 14, 2024
Reel 68288, frame 856
Midtown Madison Management LLC (as Successor to Elm Park Capital Management, LLC)Secureauth CorporationRelease of Security Interest
Feb 3, 2025
Reel 70086, frame 158
Pnc Bank, National AssociationSecureauth CorporationRelease of Security Interest
Jun 23, 2026
Reel 75040, frame 723
Pnc Bank, National AssociationSecureauth CorporationRelease 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited