Term ended Dec 27, 2025 · High confidence
20-year base term ended Oct 1, 2024
Held by Open Text Inc.
Filed Oct 1, 2004 as application 10/956,574 · Granted May 12, 2009
Base term plus 452 days of patent term adjustment (USPTO delay)
Today
Term ended Dec 27, 2025
2004
2026
Clock starts
Oct 1, 2004
Oct 1, 2004
Term ended
Dec 27, 2025
Dec 27, 2025
Granted
May 12, 2009
May 12, 2009
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
452
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
20
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 452 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Oct 1, 2004, when this application, 10/956,574, was filed | Oct 1, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +452 days, USPTO patent term adjustment record | Dec 27, 2025 | 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Dec 27, 2025 | High confidence |
This family
| US 7,533,131 | this patent Dec 2025 | Dec 2025 |
| US 7,480,683 | Term ended Dec 2025 | Dec 2025 |
| US 7,565,695 | Term ended Mar 2026 | Mar 2026 |
| US 7,996,898 | In force Apr 2028 | Apr 2028 |
| US 8,418,245 | In force Aug 2028 | Aug 2028 |
| US 7,721,333 | In force Mar 2029 | Mar 2029 |
| US 8,255,992 | In force no later than Feb 2028 | no later than Feb 2028 |
| US 8,079,032 | In force Jun 2030 | Jun 2030 |
8 of 20 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 15, 2004 Reel 16076, frame 469 | Thomas, Steve; Stowers, Bradley D.; Barton, Kevin; Herman, Jeffrey | Webroot Software, Inc. | Assignment of Assignor's Interest |
| Mar 26, 2008 Reel 20706, frame 179 | Thomas, Steve; Stowers, Bradley D.; Barton, Kevin; Herman, Jeffrey | Webroot Software, Inc. | Corrective Assignment to Correct the Address of the Assignee from 2650 55TH Street, Suite 300, Boulder, Co 80301 to 2560 55TH Street, Suite 300, Boulder, Co 80301 Previously Recorded on Reel 016076 Frame 0469. Assignor(S) Hereby Confirms the Assignment. |
| Sep 13, 2012 Reel 28953, frame 917 | Webroot Software, Inc. | Webroot Inc. | Change of Name |
| Jan 6, 2015 Reel 34742, frame 85 | Webroot Inc. | Wells Fargo Bank, National Association | Security Interest |
| Mar 22, 2019 Reel 50454, frame 102 | Wells Fargo Bank, National Association | Webroot Inc. | Release of Security Interest |
| Mar 28, 2019 Reel 48723, frame 612 | Webroot Inc. | Barclays Bank PLC, as Collateral Agent | Security Interest |
| Dec 26, 2019 Reel 51418, frame 714 | Barclays Bank PLC, as Collateral Agent | Webroot Inc. | Release of Security Interest in Patent Rights Recorded at R/F 048723/0612 |
| Jun 29, 2023 Reel 64167, frame 129 | Webroot LLC | Carbonite, LLC | Assignment of Assignor's Interest |
| Jun 29, 2023 Reel 64176, frame 622 | Webroot Inc. | Webroot LLC | Certificate of Conversion |
| Jul 6, 2023 Reel 64351, frame 178 | Carbonite, LLC | Open Text Inc. | Assignment and Assumption Agreement |
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 452 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
108
later US patents cite this one
That is top 10% of utility patents granted in 2009 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.