The Patent Finder
US

Methods and Apparatuses for Echo Cancelation with Beamforming Microphone Arrays

US 9,264,553 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 4, 2034 · High confidence

Filed Jun 11, 2012 as application 13/493,921 · Granted Feb 16, 2016
Base term plus 723 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2012 2034
Clock starts
Jun 11, 2012
Term ends
Jun 4, 2034
Granted
Feb 16, 2016
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
723
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
11
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 723 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Jun 11, 2012, when this application, 13/493,921, was filedJun 11, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+723 days, USPTO patent term adjustment recordJun 4, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 4, 2034High confidence

This family

US 9,226,088In force
Nov 2033
Nov 2033
US 9,264,553this patent
Jun 2034
Jun 2034
US 9,641,688In force
Jun 2032
Jun 2032
US 9,854,101In force
Jun 2032
Jun 2032
US 9,635,186In force
Jun 2032
Jun 2032
US 11,272,064In force
Jun 2032
Jun 2032
US 9,866,952In force
Jun 2032
Jun 2032
Application 15/488,492Abandoned
not computed
not computed
8 of 11 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 25, 2012
Reel 29194, frame 556
Pandey, Ashutosh; Thurston, Darrin T.; Lambert, David K.; Bathurst, Tracy A.Clearone Communications, Inc.Assignment of Assignor's Interest
Dec 28, 2015
Reel 37393, frame 704
Clearone Communications Inc.Clearone Inc.Change of Name
Oct 30, 2025
Reel 73144, frame 390
Clearone Holding, LLCBiamp Systems, LLCAssignment of Assignor's Interest
Nov 18, 2025
Reel 73179, frame 609
Clearone, Inc.Clearone Holding, 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