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US 8,793,604 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Nov 16, 2025 · High confidence

USPTO later recorded it as expired for non-payment on Aug 31, 2026.

Filed Mar 6, 2013 as application 13/787,403 · Granted Jul 29, 2014
Base term, 20 years from filing
Today
20 years from filing
Term ended Nov 16, 2025
2005 2026
Clock starts
Nov 16, 2005
Term ended
Nov 16, 2025
Granted
Jul 29, 2014
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.
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.
6
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 is its 20-year base term, with no 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 application 11/281,924, the earliest non-provisional in its chain, was filed (this one was filed Mar 6, 2013)Nov 16, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidterm endedHigh confidence
USPTO status recordRecorded as expired for non-payment on Aug 31, 2026, after the term endedno changeHigh confidence
Computed term endThe steps above, in orderNov 16, 2025High confidence

This family

US 8,001,476Lapsed on the fee record
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 8,793,604this patent
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
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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