Term ends Aug 10, 2035 · High confidence
20-year base term ends Jul 15, 2035
Held by Danfoss A/S
Filed Jan 13, 2017 as application 15/326,395 · Granted Jun 18, 2019
Base term plus 26 days of patent term adjustment (USPTO delay)
Today
2015
2035
Clock starts
Jul 15, 2015
Jul 15, 2015
Term ends
Aug 10, 2035
Aug 10, 2035
Granted
Jun 18, 2019
Jun 18, 2019
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
26
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.
3
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 26 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 15, 2015, when application PCT/US2015/040636, the earliest non-provisional in its chain, was filed (this one was filed Jan 13, 2017) | Jul 15, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +26 days, USPTO patent term adjustment record | Aug 10, 2035 | 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 | Aug 10, 2035 | High confidence |
This family
| Application PCT/US2015/040636 | PCT application no patent term | no patent term |
| US 10,323,663 | this patent Aug 2035 | Aug 2035 |
| US 11,209,027 | In force Jul 2035 | Jul 2035 |
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 |
|---|---|---|---|
| Jan 13, 2017 Reel 41000, frame 750 | Wang, Meng; Rannow, Michael Berne | Eaton Corporation | Assignment of Assignor's Interest |
| Oct 19, 2018 Reel 47273, frame 53 | Eaton Corporation | Eaton Intelligent Power Limited | Assignment of Assignor's Interest |
| Apr 11, 2019 Reel 48855, frame 626 | Eaton Corporation | Eaton Intelligent Power Limited | Assignment of Assignor's Interest |
| Nov 23, 2021 Reel 58227, frame 187 | Eaton Intelligent Power Limited | Danfoss Power Solutions II Technology A/S | Assignment of Assignor's Interest |
| Jun 16, 2022 Reel 60518, frame 1 | Eaton Intelligent Power Limited | Danfoss Power Solutions II Technology A/S | Assignment of Assignor's Interest |
| Aug 27, 2023 Reel 64730, frame 1 | Danfoss Power Solutions II Technology A/S | Danfoss A/S | Merger |
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
Aug 2035
Term ends Aug 10, 2035. Maintenance fees still fall due before then
Note
The 26 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
34
later US patents cite this one
That is top 10% of utility patents granted in 2019 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.