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Cellular User Interface

US 8,001,476 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 16, 2023 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Nov 16, 2005 as application 11/281,043 · Granted Aug 16, 2011
Base term, 20 years from filing, plus 454 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 16, 2023
2005 2027
Clock starts
Nov 16, 2005
No longer in force
Aug 16, 2023
Granted
Aug 16, 2011
Term would have run to
Feb 13, 2027
base term patent term adjustment 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
454
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.
6
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 Feb 13, 2027: its 20-year base term plus 454 days of term adjustment for prosecution delay. 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 Nov 16, 2005, when this application, 11/281,043, was filedNov 16, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+454 days, USPTO patent term adjustment recordFeb 13, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Aug 16, 2023High confidence
Computed term endThe steps above, in orderAug 16, 2023High confidence

This family

US 8,001,476this patent
Aug 2023
Aug 2023
US 8,418,075Lapsed on the fee record
Apr 2021
Apr 2021
US 9,304,837Lapsed on the fee record
Apr 2024
Apr 2024
US 8,793,604Term ended
Nov 2025
Nov 2025
US 10,055,428In force
Mar 2028
Mar 2028
US 10,222,943In force
Nov 2026
Nov 2026
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
Mar 23, 2006
Reel 17371, frame 382
Gallo, Anthony CarmenVizible CorporationAssignment of Assignor's Interest
Jun 28, 2011
Reel 26517, frame 364
Nstein Technologies Corp.; Open Text Eloquent Inc.; Vizible Corporation USOpen Text Inc.Merger
Apr 3, 2014
Reel 32598, frame 570
Open Text Inc.Open Text S.A.Assignment of Assignor's Interest
Aug 30, 2016
Reel 39872, frame 605
Open Text S.A.OT IP Sub, LLCIP Business Sale Agreement
Aug 30, 2016
Reel 39986, frame 689
OT IP Sub, LLCIP OT Sub ULCCertificate of Continuance
Aug 30, 2016
Reel 39872, frame 662
IP OT Sub ULCOpen Text S.A. ULCCertificate of Amalgamation

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.

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