Term ends Jun 11, 2027 · Medium confidence
20-year base term ended Mar 20, 2026
Why Medium: A parent in the chain could not be resolved.
Held by Gatekeeper Systems, Inc.
Filed Jul 21, 2020 as application 16/934,815 · Granted Aug 8, 2023
Base term plus 448 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Mar 20, 2006
Mar 20, 2006
Term ends
Jun 11, 2027
Jun 11, 2027
Granted
Aug 8, 2023
Aug 8, 2023
base term
patent term adjustment
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
448
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
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 448 days past its 20-year base term on prosecution delay. No maintenance fee can end this term early. Confidence: Medium. 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 application 11/277,027, the earliest non-provisional in its chain, was filed (this one was filed Jul 21, 2020); a parent in its chain could not be resolved (the next row) | Mar 20, 2026 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +448 days, USPTO patent term adjustment record | Jun 11, 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 | No maintenance fee can end the term early | In force | High confidence |
| Computed term end | The steps above, in order | Jun 11, 2027 | Medium confidence |
This family
| US 8,046,160 | In force 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 | this patent 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 |
|---|---|---|---|
| Aug 29, 2024 Reel 68807, frame 362 | Carttronics LLC; Gatekeeper Systems, Inc. | Wilmington Trust, National Association, as Administrative Agent | 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 11, 2027. No further fees fall due before then
Note
The 448 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2023 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.