Term ends Nov 27, 2026 · Medium confidence
20-year base term ends Nov 27, 2026
Why Medium: A parent in the chain could not be resolved.
Nov 27, 2006
Nov 27, 2026
Dec 6, 2016
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 2 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 Nov 27, 2006, when application 11/604,454, the earliest non-provisional in its chain, was filed (this one was filed Dec 16, 2014); a parent in its chain could not be resolved (the next row) | Nov 27, 2026 | 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 8,043,606) | resolves to Nov 27, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 27, 2026 | Medium confidence |
This family
| US 8,043,606 | In force Sep 2029 | Sep 2029 |
| US 9,512,339 | this patent Nov 2026 | Nov 2026 |
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 8,043,606, ends no earlier than this term, so it caps nothing.