Term ends Sep 7, 2037 · Medium confidence
20-year base term ends Sep 7, 2037
Why Medium: A parent in the chain could not be resolved.
Sep 7, 2017
Sep 7, 2037
Oct 31, 2023
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 7, 2017, when application 15/698,422, the earliest non-provisional in its chain, was filed (this one was filed Sep 15, 2022); a parent in its chain could not be resolved (the next row) | Sep 7, 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 | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,449,526) | resolves to Sep 7, 2037, no earlier than this term, so no change | High 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 | Sep 7, 2037 | Medium confidence |
This family
| US 10,521,453 | In force Mar 2038 | Mar 2038 |
| US 11,036,759 | In force Sep 2037 | Sep 2037 |
| US 11,449,526 | In force Sep 2037 | Sep 2037 |
| US 11,803,570 | this patent Sep 2037 | Sep 2037 |
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 resolved from the filed document, referencing US 11,449,526, ends no earlier than this term, so it caps nothing.