Term ends Aug 22, 2028 · Medium confidence
20-year base term ends Aug 22, 2028
Why Medium: A parent in the chain could not be resolved.
Filed Jan 31, 2022 as application 17/589,109 · Granted Jul 7, 2026
Base term, 20 years from filing
Today
2008
2028
Clock starts
Aug 22, 2008
Aug 22, 2008
Term ends
Aug 22, 2028
Aug 22, 2028
Granted
Jul 7, 2026
Jul 7, 2026
base term
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
6
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. No maintenance fee can end this term early. Confidence: Medium. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Aug 22, 2008, when application 12/197,224, the earliest non-provisional in its chain, was filed (this one was filed Jan 31, 2022); a parent in its chain could not be resolved (the next row) | Aug 22, 2028 | 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 | None on record | no cap applied | High 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 | Aug 22, 2028 | Medium confidence |
This family
| Application 12/197,224 | Abandoned not computed | not computed |
| US 8,924,892 | In force Dec 2031 | Dec 2031 |
| US 11,243,680 | In force Sep 2029 | Sep 2029 |
| Application 17/588,896 | Abandoned not computed | not computed |
| US 12,675,214 | this patent Aug 2028 | Aug 2028 |
| Application 19/465,674 | Pending not computed | not computed |
The applications whose file history this site holds. The family may have others.
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.
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Alerts on its grants, lapses and transfers.
What's changing
Aug 2028
Term ends Aug 22, 2028. No further fees fall due before then
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.