Term ends Jul 19, 2033 · High confidence
20-year base term ends Dec 21, 2032
Held by Dyson Technology Limited
Filed Sep 22, 2017 as application 15/712,662 · Granted May 26, 2020
Base term plus 210 days of patent term adjustment (USPTO delay)
Today
2012
2033
Clock starts
Dec 21, 2012
Dec 21, 2012
Term ends
Jul 19, 2033
Jul 19, 2033
Granted
May 26, 2020
May 26, 2020
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
210
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
4
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 210 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Dec 21, 2012, when application 13/724,775, the earliest non-provisional in its chain, was filed (this one was filed Sep 22, 2017) | Dec 21, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +210 days, USPTO patent term adjustment record | Jul 19, 2033 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 19, 2033 | High confidence |
This family
| US 9,211,046 | In force Feb 2033 | Feb 2033 |
| Application 14/835,179 | Abandoned not computed | not computed |
| US 9,788,697 | In force Dec 2032 | Dec 2032 |
| US 10,660,495 | this patent Jul 2033 | Jul 2033 |
The applications whose file history this site holds. The family may have others.
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
Jul 2033
Term ends Jul 19, 2033. Maintenance fees still fall due before then
Note
The 210 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2020 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.