Term ends no later than Mar 23, 2037 · Medium confidence
20-year base term ends Mar 20, 2037
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Mar 20, 2017
Mar 23, 2037
Mar 19, 2024
This patent's term runs 3 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 0 of 3 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 20, 2017, when application 15/463,071, the earliest non-provisional in its chain, was filed (this one was filed Jul 1, 2021) | Mar 20, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +3 days, USPTO patent term adjustment record | Mar 23, 2037 | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium 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 | no later than Mar 23, 2037 | Medium confidence |
This family
| US 11,086,761 | Lapsed on the fee record Aug 2025 | Aug 2025 |
| Application PCT/US2018/023433 | PCT application no patent term | no patent term |
| US 11,934,298 | this patent no later than Mar 2037 | no later than Mar 2037 |
| US 12,360,881 | In force Mar 2037 | Mar 2037 |
| Application 19/261,017 | Pending not computed | not computed |
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
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Mar 23, 2037. We will not guess the cap.