Term ends Dec 2, 2037 · Medium confidence
20-year base term ends Feb 17, 2037
Why Medium: A parent in the chain could not be resolved.
Held by Flextronics Ap, LLC
Filed Apr 12, 2018 as application 15/951,425 · Granted Apr 6, 2021
Base term plus 288 days of patent term adjustment (USPTO delay)
Today
2017
2037
Clock starts
Feb 17, 2017
Feb 17, 2017
Term ends
Dec 2, 2037
Dec 2, 2037
Granted
Apr 6, 2021
Apr 6, 2021
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
288
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.
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 288 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: Medium. 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 17, 2017, when application 15/436,524, the earliest non-provisional in its chain, was filed (this one was filed Apr 12, 2018); a parent in its chain could not be resolved (the next row) | Feb 17, 2037 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +288 days, USPTO patent term adjustment record | Dec 2, 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 | Dec 2, 2037 | Medium confidence |
This family
| US 10,799,631 | In force Nov 2038 | Nov 2038 |
| US 10,967,118 | this patent Dec 2037 | Dec 2037 |
| Application PCT/US2019/027136 | PCT application no patent term | no patent term |
| Application 17/016,153 | Abandoned not computed | not computed |
| US 12,728,196 | In force May 2041 | May 2041 |
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
Dec 2037
Term ends Dec 2, 2037. Maintenance fees still fall due before then
Note
The 288 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
13
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.