Term ends Feb 9, 2027 · High confidence
20-year base term ended Dec 30, 2023
Held by Entrust Corporation
Filed May 19, 2004 as application 10/849,402 · Granted Nov 15, 2011
Base term plus 1137 days of patent term adjustment (USPTO delay)
Today
2003
2027
Clock starts
Dec 30, 2003
Dec 30, 2003
Term ends
Feb 9, 2027
Feb 9, 2027
Granted
Nov 15, 2011
Nov 15, 2011
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
1,137
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.
14
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 1137 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Dec 30, 2003, when application 10/748,523, the earliest non-provisional in its chain, was filed (this one was filed May 19, 2004) | Dec 30, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1137 days, USPTO patent term adjustment record | Feb 9, 2027 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Feb 9, 2027 | High confidence |
This family
| US 7,765,580 | Term ended Jul 2025 | Jul 2025 |
| US 8,612,757 | Lapsed on the fee record Dec 2017 | Dec 2017 |
| US 8,060,915 | this patent Feb 2027 | Feb 2027 |
| US 8,230,486 | Term ended Sep 2025 | Sep 2025 |
| Application 11/063,518 | Abandoned not computed | not computed |
| US 9,281,945 | In force Aug 2029 | Aug 2029 |
| US 9,191,215 | Term ended Sep 2025 | Sep 2025 |
| US 8,966,579 | In force Feb 2027 | Feb 2027 |
8 of 14 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 |
|---|---|---|---|
| Nov 15, 2004 Reel 15992, frame 811 | Voice, Chris Brian; Chiviendacz, Michael; Pillman, Edward | Entrust Limited | Assignment of Assignor's Interest |
| Jun 5, 2009 Reel 22790, frame 265 | Voice, Chris Brian; Chiviendacz, Michael; Pillman, Edward | Entrust, Inc. | Corrective Assignment to Correct the Assignee Inadvertently Listed Incorrectly on the Original Assignment Previously Recorded on Reel 015992 Frame 0811. Assignor(S) Hereby Confirms the Assignee Should Have Been Listed as Entrust, Inc. Pursuant to the Attached Declaration Signed by the Current Owner of the Patent. |
| Jul 30, 2009 Reel 23015, frame 782 | Hac Holdings, Inc.; Hac Acquisition Corporation; Entrust, Inc.; Entrust Limited; Entrust International LLC; Cygnacom Solutions Inc.; Orion Security Solutions, Inc.; Encommerce, Inc.; Business Signatures Corporation | Wells Fargo Foothill, LLC | Patent Security Agreement |
| Nov 1, 2012 Reel 29229, frame 37 | Entrust Holdings, Inc.; Entrust, Inc.; Entrust Limited; Entrust International LLC; Cygnacom Solutions Inc.; Orion Security Solutions, Inc.; Encommerce, Inc.; Business Signatures Corporation | Wells Fargo Capital Finance, LLC | Amendment Number Two to Patent Security Agreement |
| Jan 17, 2014 Reel 32086, frame 638 | Golub Capital LLC | Entrust Holdings, Inc.; Entrust, Inc.; Orion Security Solutions, Inc. | Release of Security Interest |
| Jan 17, 2014 reel/frame not recorded | Golub Capital LLC | Entrust Holdings, Inc. | Release of Security Interest |
| Jan 17, 2014 reel/frame not recorded | Golub Capital LLC | Entrust, Inc. | Release of Security Interest |
| Jan 17, 2014 reel/frame not recorded | Golub Capital LLC | Orion Security Solutions, Inc. | Release of Security Interest |
| Jan 20, 2014 Reel 32089, frame 151 | Wells Fargo Capital Finance, LLC | Entrust Holdings, Inc.; Entrust, Inc.; Orion Security Solutions, Inc. | Release of Security Interest |
| Jan 20, 2014 reel/frame not recorded | Wells Fargo Capital Finance, LLC | Entrust Holdings, Inc. | Release of Security Interest |
| Jan 20, 2014 reel/frame not recorded | Wells Fargo Capital Finance, LLC | Entrust, Inc. | Release of Security Interest |
| Jan 20, 2014 reel/frame not recorded | Wells Fargo Capital Finance, LLC | Orion Security Solutions, Inc. | Release of Security Interest |
| Apr 16, 2018 Reel 45945, frame 602 | Entrust, Inc. | BMO Harris Bank N.A., as Agent | Security Agreement |
| Mar 18, 2024 Reel 66806, frame 175 | Entrust, Inc. | Entrust Corporation | Merger |
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
Feb 2027
Term ends Feb 9, 2027. No further fees fall due before then
Note
The 1137 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
91
later US patents cite this one
That is top 10% of utility patents granted in 2011 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.