Lapsed Apr 9, 2021 on the fee record · High confidence
20-year base term ended Nov 16, 2025
Second maintenance fee unpaid; grace period ended.
Held by Open Text S.A. ULC
Filed Nov 16, 2005 as application 11/281,924 · Granted Apr 9, 2013
Base term, 20 years from filing, plus 282 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 9, 2021
2005
2026
Clock starts
Nov 16, 2005
Nov 16, 2005
No longer in force
Apr 9, 2021
Apr 9, 2021
Granted
Apr 9, 2013
Apr 9, 2013
Term would have run to
Aug 25, 2026
Aug 25, 2026
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
282
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
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 Aug 25, 2026: its 20-year base term plus 282 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 16, 2005, when this application, 11/281,924, was filed | Nov 16, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +282 days, USPTO patent term adjustment record | Aug 25, 2026 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Apr 9, 2021 | High confidence |
| Computed term end | The steps above, in order | Apr 9, 2021 | High confidence |
This family
| US 8,001,476 | Lapsed on the fee record Aug 2023 | Aug 2023 |
| US 8,418,075 | this patent Apr 2021 | Apr 2021 |
| US 9,304,837 | Lapsed on the fee record Apr 2024 | Apr 2024 |
| US 8,793,604 | Term ended Nov 2025 | Nov 2025 |
| US 10,055,428 | In force Mar 2028 | Mar 2028 |
| US 10,222,943 | In 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 23, 2006 Reel 17707, frame 356 | Gallo, Anthony Carmen; Talbot, Jimmy | Vizible Corporation | Assignment of Assignor's Interest |
| Jun 28, 2011 Reel 26517, frame 364 | Nstein Technologies Corp.; Open Text Eloquent Inc.; Vizible Corporation US | Open 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, LLC | IP Business Sale Agreement |
| Aug 30, 2016 Reel 39986, frame 689 | OT IP Sub, LLC | IP OT Sub ULC | Certificate of Continuance |
| Aug 30, 2016 Reel 39872, frame 662 | IP OT Sub ULC | Open Text S.A. ULC | Certificate 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 282 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
194
later US patents cite this one
That is top 5% of utility patents granted in 2013 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.