The Patent Finder
US

Multiple Spatial Channel Transmission with Rate Control

US 9,325,394 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 3, 2027 · High confidence

Filed Jul 30, 2013 as application 13/953,812 · Granted Apr 26, 2016
Base term plus 27 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2027
Clock starts
Dec 7, 2006
Term ends
Jan 3, 2027
Granted
Apr 26, 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
27
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 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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.

This patent's term runs 27 days past its 20-year base term on prosecution delay. 2 of 2 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 Dec 7, 2006, when application PCT/IB2006/054657, the earliest non-provisional in its chain, was filed (this one was filed Jul 30, 2013)Dec 7, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+27 days, USPTO patent term adjustment recordJan 3, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 3, 2027High confidence

This family

US 8,520,568In force
Mar 2029
Mar 2029
US 9,325,394this patent
Jan 2027
Jan 2027
US 9,634,743In force
Dec 2026
Dec 2026
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
Feb 24, 2016
Reel 37899, frame 648
Sharp CorporationKoninklijke Philips N.V.Assignment of Assignor's Interest
Jun 7, 2016
Reel 38897, frame 409
Koninklijke Philips Electronics N.V.Koninklijke Philips N.V.Change of Name

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