Term ends Sep 12, 2038 · High confidence
20-year base term ends Jun 30, 2037
Held by Techtronic Cordless GP
Filed Dec 20, 2018 as application 16/312,236 · Granted Dec 5, 2023
Base term plus 439 days of patent term adjustment (USPTO delay)
Today
2017
2038
Clock starts
Jun 30, 2017
Jun 30, 2017
Term ends
Sep 12, 2038
Sep 12, 2038
Granted
Dec 5, 2023
Dec 5, 2023
base term
patent term adjustment
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
439
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
5
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 439 days past its 20-year base term on prosecution delay. 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 Jun 30, 2017, when application PCT/CN2017/091129, the earliest non-provisional in its chain, was filed (this one was filed Dec 20, 2018) | Jun 30, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +439 days, USPTO patent term adjustment record | Sep 12, 2038 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 12, 2038 | High confidence |
This family
| US 11,832,552 | this patent Sep 2038 | Sep 2038 |
| US 11,172,609 | In force Dec 2037 | Dec 2037 |
| US 11,357,166 | In force Jul 2037 | Jul 2037 |
| US 12,648,513 | In force Jul 2037 | Jul 2037 |
4 of 5 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 |
|---|---|---|---|
| Mar 4, 2020 Reel 52014, frame 26 | Hahn, Klaus; Rickey, Todd Brandon; Montgomery, Benjamin Edgar; Ensslen, Nikolai; Yildirim, Levent | Tti (Macao Commercial Offshore) Limited | Assignment of Assignor's Interest |
| Feb 17, 2022 Reel 59175, frame 682 | Tti (Macao Commercial Offshore) Limited | Techtronic Outdoor Products Technology Limited | Assignment of Assignor's Interest |
| Feb 17, 2022 Reel 59175, frame 747 | Techtronic Outdoor Products Technology Limited | Techtronic Cordless GP | Nunc Pro Tunc Assignment |
| Apr 20, 2022 Reel 59916, frame 743 | Techtronic Outdoor Products Technology Limited | Techtronic Cordless GP | Corrective Assignment to Correct the Nature of Conveying Previously Recorded at Reel: 059175 Frame: 0747. Assignor(S) Hereby Confirms the Purchase Agreement . |
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 2038
Term ends Sep 12, 2038. Maintenance fees still fall due before then
Note
The 439 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is top 10% 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.