Term ends Sep 21, 2033 · High confidence
20-year base term ends Jul 10, 2033
Held by ScentAir Technologies, LLC
Filed Sep 14, 2020 as application 17/020,233 · Granted Aug 15, 2023
Base term plus 298 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2013
2033
Clock starts
Jul 10, 2013
Jul 10, 2013
Term ends
Sep 21, 2033
Sep 21, 2033
Granted
Aug 15, 2023
Aug 15, 2023
base term
patent term adjustment
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
298
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 11,460,821, US 9,460,404.
0 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.
7
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 298 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 2 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 Jul 10, 2013, when application 13/939,165, the earliest non-provisional in its chain, was filed (this one was filed Sep 14, 2020) | Jul 10, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +298 days, USPTO patent term adjustment record | May 4, 2034 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,460,821, US 9,460,404) | capped to Sep 21, 2033 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 21, 2033 | High confidence |
This family
| US 9,460,404 | In force Feb 2035 | Feb 2035 |
| US 10,775,759 | In force Jul 2033 | Jul 2033 |
| US 9,927,789 | In force Jul 2033 | Jul 2033 |
| US 10,534,339 | In force (reinstated) Jul 2033 | Jul 2033 |
| US 11,460,821 | In force Sep 2033 | Sep 2033 |
| US 11,726,442 | this patent Sep 2033 | Sep 2033 |
| US 12,449,780 | In force Sep 2033 | Sep 2033 |
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 |
|---|---|---|---|
| Feb 5, 2026 Reel 73710, frame 984 | Scentair Technologies, LLC | Glas Agency (Hong Kong) Limited | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Sep 2033
Term ends Sep 21, 2033. Maintenance fees still fall due before then
Note
The 298 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 11,460,821, US 9,460,404.
Citations
1
later US patent cites 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.