Term ends Mar 4, 2027 · High confidence
20-year base term ends Nov 15, 2026
Held by CFPH, LLC
Filed Nov 22, 2021 as application 17/531,892 · Granted Apr 2, 2024
Base term plus 109 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Nov 15, 2006
Nov 15, 2006
Term ends
Mar 4, 2027
Mar 4, 2027
Granted
Apr 2, 2024
Apr 2, 2024
base term
patent term adjustment
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
109
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
7
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 runs 109 days past its 20-year base term on prosecution delay. No maintenance fee can end this term early. Confidence: High. 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 Nov 15, 2006, when application 11/559,933, the earliest non-provisional in its chain, was filed (this one was filed Nov 22, 2021) | Nov 15, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +109 days, USPTO patent term adjustment record | Mar 4, 2027 | 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 | Mar 4, 2027 | High confidence |
This family
| US 9,411,944 | In force Jul 2028 | Jul 2028 |
| US 8,784,197 | In force Nov 2026 | Nov 2026 |
| US 10,546,107 | In force Nov 2026 | Nov 2026 |
| US 11,182,462 | In force Nov 2026 | Nov 2026 |
| US 11,947,646 | this patent Mar 2027 | Mar 2027 |
| US 12,481,741 | In force Nov 2026 | Nov 2026 |
| Application 19/367,952 | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2027
Term ends Mar 4, 2027. No further fees fall due before then
Note
The 109 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
How we rank
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.