Term ends Mar 7, 2028 · Medium confidence
20-year base term ends Mar 7, 2028
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 11,811,723), so the cap could be lower.
Mar 7, 2008
Mar 7, 2028
Jul 1, 2025
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. No maintenance fee can end this term early. 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 7, 2008, when application 12/044,751, the earliest non-provisional in its chain, was filed (this one was filed Sep 29, 2023) | Mar 7, 2028 | 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 10,944,835, US 11,463,402, US 11,811,723, US 8,949,457) | resolves to Mar 7, 2028, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No maintenance fee can end the term early | In force | High confidence |
| Computed term end | The steps above, in order | Mar 7, 2028 | Medium confidence |
This family
| US 8,949,457 | In force Sep 2030 | Sep 2030 |
| US 10,944,835 | In force Feb 2029 | Feb 2029 |
| US 11,463,402 | In force Mar 2028 | Mar 2028 |
| US 11,811,723 | In force no later than Mar 2028 | no later than Mar 2028 |
| US 12,348,482 | this patent Mar 2028 | Mar 2028 |
| Application 19/229,686 | Pending not computed | not computed |
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 10,944,835, US 11,463,402, US 11,811,723, US 8,949,457, ends no earlier than this term, so it caps nothing.