The Patent Finder
US

User Authentication for Social Networks

US 8,185,646 In force
OverviewFamilyAssignmentsSources & methods

Term ends Apr 24, 2030 · High confidence

Filed Oct 29, 2009 as application 12/608,190 · Granted May 22, 2012
Base term plus 177 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2030
Clock starts
Oct 29, 2009
Term ends
Apr 24, 2030
Granted
May 22, 2012
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
177
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.
3
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 177 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Oct 29, 2009, when this application, 12/608,190, was filedOct 29, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+177 days, USPTO patent term adjustment recordApr 24, 2030High 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 orderApr 24, 2030High confidence

This family

US 8,185,646this patent
Apr 2030
Apr 2030
US 9,311,466In force
Apr 2030
Apr 2030
US 9,712,526In force
Oct 2029
Oct 2029
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
Oct 29, 2009
Reel 23442, frame 54
Headley, PaulVeritrix, Inc.Assignment of Assignor's Interest
Dec 28, 2015
Reel 37367, frame 371
Veritrix Inc.K.Y. Trix Ltd.Assignment of Assignor's Interest
Aug 29, 2018
Reel 46980, frame 15
K.Y. Trix Ltd.Idefend Ltd.Change of Name
Aug 29, 2018
Reel 46748, frame 49
Idefend Ltd.Francine Cani 2002 Living TrustAssignment of Assignor's Interest
Dec 2, 2019
Reel 51155, frame 304
Idefend Ltd.Francine Gani 2002 Living TrustCorrective Assignment to Correct the to Correct the Receiving Party Name Previously Recorded at Reel: 046778 Frame: 0049. Assignor(S) Hereby Confirms the Assignment.
Feb 12, 2020
Reel 51906, frame 614
Francine Gani 2002 Living TrustSamsung Electronics Co., Ltd.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.

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