Term ends Nov 16, 2037 · High confidence
20-year base term ends Jul 3, 2037
Held by D&D-SW, LLC.
Filed Jan 10, 2018 as application 15/867,431 · Granted May 4, 2021
Base term plus 136 days of patent term adjustment (USPTO delay)
Today
2017
2037
Clock starts
Jul 3, 2017
Jul 3, 2017
Term ends
Nov 16, 2037
Nov 16, 2037
Granted
May 4, 2021
May 4, 2021
base term
patent term adjustment
fee events
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
136
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.
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 136 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 Jul 3, 2017, when application 62/528,288, the earliest non-provisional in its chain, was filed (this one was filed Jan 10, 2018) | Jul 3, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +136 days, USPTO patent term adjustment record | Nov 16, 2037 | 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 | Nov 16, 2037 | High confidence |
This family
| US 10,822,857 | In force Dec 2037 | Dec 2037 |
| US 10,995,537 | this patent Nov 2037 | Nov 2037 |
| US 10,718,150 | In force Oct 2037 | Oct 2037 |
| US 10,961,766 | In force Sep 2037 | Sep 2037 |
| US 11,066,865 | In force Jul 2037 | Jul 2037 |
| US 10,968,678 | In force Nov 2037 | Nov 2037 |
| Application PCT/US2019/025675 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Sep 12, 2018 Reel 47058, frame 53 | Hall, David R. | Hall Labs LLC | Assignment of Assignor's Interest |
| Sep 24, 2018 Reel 47132, frame 22 | Hall, David R. | Hall Labs LLC | Assignment of Assignor's Interest |
| Sep 27, 2018 Reel 47157, frame 172 | Miles, Jerome | Hall Labs LLC | Assignment of Assignor's Interest |
| Jun 25, 2020 Reel 53043, frame 903 | Davis, Nathan | Hall Labs LLC | Assignment of Assignor's Interest |
| Oct 2, 2024 Reel 68769, frame 749 | Hall Labs LLC | D&D-SW, LLC. | Assignment of Assignor's Interest |
| Jul 2, 2025 Reel 71784, frame 229 | Hall Labs, LLC | D&D-SW, LLC | Corrective Assignment to Correct the Assignor Name from Hall Labs LLC to Hall Labs, LLC and Assignee Name from D&d-Sw, LLC. to D&d-Sw, LLC and Assignee Address from 26040 to 26040 Ynez Road Previously Recorded on Reel 68769 Frame 749. Assignor(S) Hereby Confirms the Assignment of Assignors 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
Nov 2037
Term ends Nov 16, 2037. Maintenance fees still fall due before then
Note
The 136 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
8
later US patents cite this one
That is top 25% of utility patents granted in 2021 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.