Term ends Jul 20, 2030 · High confidence
20-year base term ends Feb 23, 2030
Held by The Watt Stopper, Inc.
Filed Jun 19, 2013 as application 13/921,950 · Granted Nov 24, 2015
Base term plus 147 days of patent term adjustment (USPTO delay)
Today
2010
2030
Clock starts
Feb 23, 2010
Feb 23, 2010
Term ends
Jul 20, 2030
Jul 20, 2030
Granted
Nov 24, 2015
Nov 24, 2015
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
147
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
22
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 147 days past its 20-year base term on prosecution delay. 2 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 23, 2010, when application 12/711,192, the earliest non-provisional in its chain, was filed (this one was filed Jun 19, 2013) | Feb 23, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +147 days, USPTO patent term adjustment record | Jul 20, 2030 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 20, 2030 | High confidence |
This family
| US 8,299,734 | Lapsed on the fee record Oct 2024 | Oct 2024 |
| US 8,368,328 | Lapsed on the fee record Feb 2021 | Feb 2021 |
| US 8,659,246 | Lapsed on the fee record Feb 2022 | Feb 2022 |
| US 8,575,872 | Lapsed on the fee record Nov 2021 | Nov 2021 |
| US 9,018,868 | In force Jul 2030 | Jul 2030 |
| US 8,791,658 | Lapsed on the fee record Jul 2022 | Jul 2022 |
| US 9,194,179 | this patent Jul 2030 | Jul 2030 |
| US 8,947,027 | In force Feb 2030 | Feb 2030 |
8 of 22 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 |
|---|---|---|---|
| Jun 19, 2013 Reel 30646, frame 286 | Mullet, Willis Jay; Lucas, William Ashton Lee Cutts; Brunk, Darrin W. | Homerun Holdings Corporation | Assignment of Assignor's Interest |
| Jun 28, 2013 Reel 30705, frame 826 | Mullet, Willis Jay; Lucas, William Ashton Lee Cutts; Brunk, Darrin W. | Homerun Holdings Corporation | Assignment of Assignor's Interest |
| Oct 2, 2015 Reel 36746, frame 157 | Homerun Holdings Corporation | Qmotion Incorporated | Change of Name |
| Nov 17, 2015 Reel 37120, frame 794 | Homerun Holdings Incorporated | Qmotion Incorporated | Change of Name |
| Jan 28, 2016 Reel 37608, frame 688 | Qmotion Incorporated | The Watt Stopper, Inc. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jul 2030
Term ends Jul 20, 2030. Maintenance fees still fall due before then
Note
The 147 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
45
later US patents cite this one
That is top 10% of utility patents granted in 2015 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.