The Patent Finder
US

Speaker Recognition from Telephone Calls

US 9,685,159 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jun 20, 2025 on the fee record · Medium confidence

Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.

Second maintenance fee unpaid; grace period ended.

Filed Aug 3, 2015 as application 14/817,182 · Granted Jun 20, 2017
Base term, 20 years from filing
Today
Lapsed Jun 20, 2025
2009 2029
Clock starts
Nov 12, 2009
No longer in force
Jun 20, 2025
Granted
Jun 20, 2017
Term would have run to
Nov 12, 2029
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
None
Term adjustment
No prosecution delay on this record.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
4
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 Nov 12, 2029: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 Nov 12, 2009, when application PCT/EP2009/008063, the earliest non-provisional in its chain, was filed (this one was filed Aug 3, 2015)Nov 12, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Jun 20, 2025High confidence
Computed term endThe steps above, in orderJun 20, 2025Medium confidence

This family

US 9,043,207In force
Dec 2030
Dec 2030
Application 14/720,716Abandoned
not computed
not computed
US 9,685,159this patent
Jun 2025
Jun 2025
3 of 4 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
Oct 15, 2015
Reel 36805, frame 742
Gomar, Marta Garcia; Brummer, Johan Nikolaas Langenhoven; Rodriguez, Luis BueraAgnitio SLAssignment of Assignor's Interest
Nov 14, 2023
Reel 65578, frame 676
Nuance Communications, Inc.Microsoft Technology Licensing, LLCAssignment 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