Term ends no later than Sep 29, 2041 · Medium confidence
20-year base term ends Sep 29, 2041
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.
Sep 29, 2021
Sep 29, 2041
Sep 24, 2024
This patent's term is its 20-year base term, with no adjustment for 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 Sep 29, 2021, when application 17/488,800, the earliest non-provisional in its chain, was filed (this one was filed Apr 11, 2023) | Sep 29, 2041 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 Sep 29, 2041 | Medium confidence |
This family
| US 11,303,666 | In force Sep 2041 | Sep 2041 |
| US 11,658,999 | In force Sep 2041 | Sep 2041 |
| US 12,101,348 | this patent no later than Sep 2041 | no later than Sep 2041 |
| Application 18/811,493 | Pending not computed | not computed |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Apr 12, 2023 Reel 63297, frame 406 | Peters, Matt; Silberman, Peter; Weber, Elisabeth; Begeman, John; Whalen, Dan; Hencinski, Jon | Expel, Inc. | Assignment of Assignor's Interest |
| Mar 5, 2026 Reel 75041, frame 970 | Expel, Inc. | Hercules Capital, Inc. | Intellectual Property Security 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.
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 Sep 29, 2041. We will not guess the cap.