Term ended Sep 1, 2025 · High confidence
20-year base term ended Dec 30, 2023
Held by Entrust Corporation
Filed Dec 12, 2005 as application 11/300,049 · Granted Nov 17, 2015
Base term plus 1701 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Sep 1, 2025
2003
2026
Clock starts
Dec 30, 2003
Dec 30, 2003
Term ended
Sep 1, 2025
Sep 1, 2025
Granted
Nov 17, 2015
Nov 17, 2015
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
1,701
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,060,915, US 8,230,486, US 8,612,757.
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.
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 1701 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Dec 12, 2005) | Dec 30, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1701 days, USPTO patent term adjustment record | Aug 26, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,060,915, US 8,230,486, US 8,612,757) | capped to Sep 1, 2025 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Sep 1, 2025 | 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 | In force 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 | this patent 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 |
|---|---|---|---|
| Apr 8, 2006 Reel 17442, frame 33 | Chiviendacz, Michael; Neville, Steve; Voice, Chris; Morgan, Michael | Entrust Limited | Assignment of Assignor's Interest |
| Jun 5, 2009 Reel 22790, frame 296 | Chiviendacz, Michael; Neville, Steve; Voice, Chris; Morgan, Michael | Entrust, Inc. | Corrective Assignment to Correct the Assignee Inadvertently Listed Incorrectly on the Original Assignment Previously Recorded on Reel 017442 Frame 0033. 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 |
| 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 1701 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,060,915, US 8,230,486, US 8,612,757.
Citations
260
later US patents cite this one
That is top 1% of utility patents granted in 2015 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.