Lapsed Mar 13, 2022 on the fee record · Medium confidence
20-year base term ended Sep 28, 2026
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 9,526,543), so the cap could be lower.
First maintenance fee unpaid; grace period ended.
Sep 28, 2006
Mar 13, 2022
Mar 13, 2018
Sep 28, 2026
Its term would have run to Sep 28, 2026: 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. 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 28, 2006, when application 11/536,441, the earliest non-provisional in its chain, was filed (this one was filed Nov 30, 2016) | Sep 28, 2026 | 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 resolved from the filed document (refs US 8,394,130, US 9,526,543) | resolves to Sep 28, 2026, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | lapsed Mar 13, 2022 | High confidence |
| Computed term end | The steps above, in order | Mar 13, 2022 | Medium confidence |
This family
| US 8,062,296 | In force no later than Sep 2029 | no later than Sep 2029 |
| US 8,394,098 | In force no later than Mar 2030 | no later than Mar 2030 |
| US 8,394,130 | In force Oct 2029 | Oct 2029 |
| US 7,867,261 | Lapsed on the fee record Jan 2023 | Jan 2023 |
| US 8,419,775 | In force Aug 2027 | Aug 2027 |
| US 8,747,442 | Term ended Sep 2026 | Sep 2026 |
| US 9,526,543 | In force no later than Nov 2026 | no later than Nov 2026 |
| US 9,913,671 | this patent Mar 2022 | Mar 2022 |
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.
A terminal disclaimer resolved from the filed document, referencing US 8,394,130, US 9,526,543, ends no earlier than this term, so it caps nothing.