Term ends Dec 12, 2027 · Medium confidence
20-year base term ends Dec 12, 2027
Why Medium: A parent in the chain could not be resolved.
Dec 12, 2007
Dec 12, 2027
Nov 4, 2014
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. All three maintenance fees are recorded paid; no more fees are due. 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 Dec 12, 2007, when application 11/955,249, the earliest non-provisional in its chain, was filed (this one was filed Oct 4, 2013); a parent in its chain could not be resolved (the next row) | Dec 12, 2027 | 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 8,550,621) | resolves to Dec 12, 2027, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 12, 2027 | Medium confidence |
This family
| US 7,740,353 | Lapsed on the fee record Jun 2022 | Jun 2022 |
| US 8,025,398 | In force Dec 2027 | Dec 2027 |
| US 8,550,621 | In force Dec 2027 | Dec 2027 |
| US 8,876,285 | this patent Dec 2027 | Dec 2027 |
| US 9,494,807 | In force Dec 2027 | Dec 2027 |
| US 9,720,240 | In force Dec 2027 | Dec 2027 |
| US 10,288,886 | In force Dec 2027 | Dec 2027 |
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 8,550,621, ends no earlier than this term, so it caps nothing.