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US

Speaker Device

US 12,538,059 In force
OverviewFamilySources & methods

Term ends Jul 31, 2027 · High confidence

Filed Feb 24, 2023 as application 18/114,135 · Granted Jan 27, 2026
Base term plus 288 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2007 2027
Clock starts
Jul 31, 2007
Term ends
Jul 31, 2027
Granted
Jan 27, 2026
base term 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
288
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 10,932,025.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
8
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 288 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. No maintenance fee can end this term early. 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 Jul 31, 2007, when application PCT/JP2007/065007, the earliest non-provisional in its chain, was filed (this one was filed Feb 24, 2023)Jul 31, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+288 days, USPTO patent term adjustment recordMay 14, 2028High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,932,025)capped to Jul 31, 2027High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsNo maintenance fee can end the term earlyIn forceHigh confidence
Computed term endThe steps above, in orderJul 31, 2027High confidence

This family

US 8,638,976In force
Feb 2029
Feb 2029
US 9,451,344In force
Apr 2028
Apr 2028
US 10,560,770In force
Jul 2027
Jul 2027
US 10,932,025In force
Jul 2027
Jul 2027
US 11,617,032In force
Sep 2027
Sep 2027
US 12,538,059this patent
Jul 2027
Jul 2027
Application 19/438,760Pending
not computed
not computed
7 of 8 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