Term ends Feb 6, 2038 · High confidence
20-year base term ends Feb 6, 2038
Held by Integrated Roadways IP LLC
Filed Oct 24, 2022 as application 18/048,886 · Granted Sep 9, 2025
Base term plus 230 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2018
2038
Clock starts
Feb 6, 2018
Feb 6, 2018
Term ends
Feb 6, 2038
Feb 6, 2038
Granted
Sep 9, 2025
Sep 9, 2025
base term
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
230
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 12,509,828.
0 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 230 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 3 maintenance fees are paid so far. 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 Feb 6, 2018, when application 15/889,718, the earliest non-provisional in its chain, was filed (this one was filed Oct 24, 2022) | Feb 6, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +230 days, USPTO patent term adjustment record | Sep 24, 2038 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 12,509,828) | capped to Feb 6, 2038 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 6, 2038 | High confidence |
This family
| US 10,407,838 | In force Feb 2038 | Feb 2038 |
| US 10,995,457 | In force Feb 2038 | Feb 2038 |
| US 11,692,315 | In force Feb 2038 | Feb 2038 |
| US 12,000,095 | In force Feb 2039 | Feb 2039 |
| US 12,054,891 | In force Feb 2038 | Feb 2038 |
| US 12,312,749 | In force Feb 2038 | Feb 2038 |
| US 12,410,564 | this patent Feb 2038 | Feb 2038 |
| US 12,312,750 | In force no later than Feb 2038 | no later than Feb 2038 |
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 |
|---|---|---|---|
| Oct 25, 2022 Reel 61527, frame 460 | Sylvester, Tim; Tekinay, Mustafa | Integrated Roadways, LLC | Assignment of Assignor's Interest |
| Mar 7, 2025 Reel 70439, frame 345 | Integrated Roadways, LLC | Integrated Roadways, Inc. | Change of Name |
| Sep 18, 2025 Reel 72666, frame 944 | Integrated Roadways, Inc. | Integrated Roadways IP LLC | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
What's changing
Feb 2038
Term ends Feb 6, 2038. Maintenance fees still fall due before then
Note
The 230 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 12,509,828.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.