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Method and Algorithm for Accurate Finger Motion Tracking

US 8,229,184 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Oct 3, 2014 (Wells Fargo Bank, National Association).

Lapsed Jul 24, 2020 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Dec 14, 2007 as application 11/957,322 · Granted Jul 24, 2012
Base term, 20 years from filing, plus 1211 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 24, 2020
2005 2028
Clock starts
Apr 15, 2005
No longer in force
Jul 24, 2020
Granted
Jul 24, 2012
Term would have run to
Aug 8, 2028
base term patent term adjustment after the term ends 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
1,211
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
16
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 Aug 8, 2028: its 20-year base term plus 1211 days of term 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Apr 15, 2005, when application 11/107,682, the earliest non-provisional in its chain, was filed (this one was filed Dec 14, 2007)Apr 15, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1211 days, USPTO patent term adjustment recordAug 8, 2028High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Jul 24, 2020High confidence
Computed term endThe steps above, in orderJul 24, 2020High confidence

This family

US 7,463,756Lapsed on the fee record
Dec 2020
Dec 2020
US 8,077,935In force
Apr 2028
Apr 2028
US 7,751,601In force
Oct 2028
Oct 2028
US 8,447,077In force
Aug 2028
Aug 2028
US 8,165,355In force
no later than Apr 2029
no later than Apr 2029
US 8,358,815In force
Aug 2028
Aug 2028
US 8,229,184this patent
Jul 2020
Jul 2020
US 8,131,026In force
Mar 2028
Mar 2028
8 of 16 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.
RecordedAssignorAssigneeConveyance
Jan 29, 2008
Reel 20435, frame 899
Benkley, Fred George; Geoffroy, David Joseph; Satyan, PallaviValidity Sensors, Inc.Assignment of Assignor's Interest
Aug 26, 2009
Reel 23150, frame 406
Validity Sensors, Inc.Silicon Valley BankSecurity Agreement
Oct 21, 2010
Reel 25169, frame 934
Silicon Valley BankValidity Sensors, Inc.Release of Security Interest
Nov 21, 2013
Reel 31693, frame 882
Validity Sensors, Inc.Validity Sensors, LLCMerger
Dec 20, 2013
Reel 31866, frame 585
Validity Sensors, LLCSynaptics IncorporatedAssignment of Assignor's Interest
Feb 19, 2014
Reel 32285, frame 272
Validity Sensors, LLCSynaptics IncorporatedAssignment of Assignor's Interest
Oct 3, 2014
Reel 33888, frame 851
Synaptics IncorporatedWells Fargo Bank, National AssociationSecurity Interest
Sep 27, 2017
Reel 44037, frame 896
Synaptics IncorporatedWells Fargo Bank, National AssociationSecurity 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