Lapsed Mar 2, 2025 on the fee record · Medium confidence
20-year base term ends Nov 8, 2039
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
First maintenance fee unpaid; grace period ended.
Nov 8, 2019
Mar 2, 2025
Mar 2, 2021
Nov 8, 2039
Its term would have run to Nov 8, 2039: 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. 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 Nov 8, 2019, when application 16/678,891, the earliest non-provisional in its chain, was filed (this one was filed Apr 4, 2020) | Nov 8, 2039 | 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 | lapsed Mar 2, 2025 | High confidence |
| Computed term end | The steps above, in order | Mar 2, 2025 | Medium confidence |
This family
| Application 16/678,891 | Abandoned not computed | not computed |
| US 10,933,153 | this patent Mar 2025 | Mar 2025 |
| US 11,413,366 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 11,944,715 | In force Nov 2039 | Nov 2039 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 27, 2020 Reel 54477, frame 419 | Shell, Michael Ross; Goswami, Sameer; Argrow, Brian Maurice; Albright, Hunter Thomas; Silva, Stephen Robert; Pollock, James William; Gustafson, Kyle Mathew; Candee, Daniel Eric; Dombrower, Edward; Ruder, John; Hadden, Bryant Richard | DLVR, LLC | Assignment of Assignor's Interest |
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 2, 2025. We will not guess the cap.