Term ends Mar 18, 2035 · Medium confidence
20-year base term ends Mar 18, 2035
Why Medium: A parent in the chain could not be resolved.
Mar 18, 2015
Mar 18, 2035
Apr 9, 2019
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. 2 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 18, 2015, when application 14/661,539, the earliest non-provisional in its chain, was filed (this one was filed Dec 1, 2017); a parent in its chain could not be resolved (the next row) | Mar 18, 2035 | 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 9,576,190) | resolves to Mar 18, 2035, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 18, 2035 | Medium confidence |
This family
| US 9,576,190 | In force Mar 2035 | Mar 2035 |
| US 9,852,328 | In force Mar 2035 | Mar 2035 |
| US 10,235,562 | In force Mar 2035 | Mar 2035 |
| US 10,599,917 | In force Aug 2035 | Aug 2035 |
| US 10,255,488 | this patent Mar 2035 | Mar 2035 |
| US 10,949,655 | In force Mar 2035 | Mar 2035 |
| US 10,963,679 | In force Mar 2035 | Mar 2035 |
| US 11,652,956 | In force no later than Aug 2035 | no later than Aug 2035 |
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 9,576,190, ends no earlier than this term, so it caps nothing.