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US 9,674,226 Term ended
OverviewFamilySources & methods

Term ended Mar 23, 2024 · Medium confidence

USPTO later recorded it as expired for non-payment on Jul 14, 2025.

Filed Apr 14, 2015 as application 14/686,461 · Granted Jun 6, 2017
Base term plus 231 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
Term ended Mar 23, 2024
2004 2026
Clock starts
Mar 23, 2004
Term ended
Mar 23, 2024
Granted
Jun 6, 2017
base term 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
231
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 9,032,023.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
6
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 231 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. Confidence: Medium. 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 23, 2004, when application 10/808,212, the earliest non-provisional in its chain, was filed (this one was filed Apr 14, 2015); a parent in its chain could not be resolved (the next row)Mar 23, 2024High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+231 days, USPTO patent term adjustment recordNov 9, 2024High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 9,032,023)capped to Mar 23, 2024Medium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 1 maintenance fees paidterm endedHigh confidence
USPTO status recordRecorded as expired for non-payment on Jul 14, 2025, after the term endedno changeHigh confidence
Computed term endThe steps above, in orderMar 23, 2024Medium confidence

This family

US 7,739,351In force
Jul 2027
Jul 2027
US 9,032,023Term ended
no later than Mar 2024
no later than Mar 2024
US 9,674,226this patent
Mar 2024
Mar 2024
US 10,516,700Term ended
Mar 2024
Mar 2024
4 of 6 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

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