Collateral for a security interest recorded Oct 25, 2019 (BMO Harris Bank, N.A.).
Term ends Jun 22, 2027 · High confidence
20-year base term ended Mar 20, 2026
Held by Gatekeeper Systems, Inc.
Filed Mar 20, 2006 as application 11/277,027 · Granted Oct 25, 2011
Base term plus 459 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Mar 20, 2006
Mar 20, 2006
Term ends
Jun 22, 2027
Jun 22, 2027
Granted
Oct 25, 2011
Oct 25, 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
459
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.
5
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 459 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 Mar 20, 2006, when this application, 11/277,027, was filed | Mar 20, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +459 days, USPTO patent term adjustment record | Jun 22, 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 | Jun 22, 2027 | High confidence |
This family
| US 8,046,160 | this patent Jun 2027 | Jun 2027 |
| US 8,751,148 | In force Dec 2026 | Dec 2026 |
| US 9,630,639 | Term ended Oct 2026 | Oct 2026 |
| US 10,730,541 | Term ended Mar 2026 | Mar 2026 |
| US 11,718,336 | In force Jun 2027 | Jun 2027 |
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 |
|---|---|---|---|
| Jun 29, 2006 Reel 17856, frame 534 | Carter, Scott J.; Hannah, Stephen E.; James, Jesse M. | Gatekeeper Systems, Inc. | Assignment of Assignor's Interest |
| Sep 19, 2016 Reel 39775, frame 741 | Gatekeeper Systems, Inc. | First Merchants Bank | Security Interest |
| Oct 25, 2019 Reel 50831, frame 585 | First Merchants Bank | Gatekeeper Systems, Inc.; Carttronics LLC | Release of Patent Security Interests Recorded at Reel 039775, Frame 0741 and Reel 041428, Frame 0259 |
| Oct 25, 2019 Reel 50890, frame 411 | Gatekeeper Systems, Inc.; Carttronics LLC | Bmo Harris Bank, N.a. | Grant of Security Interest - Patents |
| Oct 25, 2019 reel/frame not recorded | First Merchants Bank | Gatekeeper Systems, Inc. | Release of Patent Security Interests Recorded at Reel 039775, Frame 0741 and Reel 041428, Frame 0259 |
| Oct 25, 2019 reel/frame not recorded | First Merchants Bank | Carttronics LLC | Release of Patent Security Interests Recorded at Reel 039775, Frame 0741 and Reel 041428, Frame 0259 |
| Aug 29, 2024 Reel 68807, frame 362 | Carttronics LLC; Gatekeeper Systems, Inc. | Wilmington Trust, National Association, as Administrative Agent | Security Interest |
| Aug 30, 2024 Reel 68822, frame 838 | BMO Bank N.A. (F/K/A BMO Harris Bank N.A.) | Gatekeeper Systems, Inc.; Carttronics LLC | Release of Security Interest |
| Aug 30, 2024 reel/frame not recorded | BMO Bank N.A. (F/K/A BMO Harris Bank N.A.) | Gatekeeper Systems, Inc. | Release of Security Interest |
| Aug 30, 2024 reel/frame not recorded | BMO Bank N.A. (F/K/A BMO Harris Bank N.A.) | Carttronics LLC | Release of Security Interest |
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.
What's changing
Jun 2027
Term ends Jun 22, 2027. No further fees fall due before then
Note
The 459 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
327
later US patents cite this one
That is top 1% 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.