Term ends Jan 13, 2034 · Medium confidence
20-year base term ends Jan 13, 2034
Why Medium: A parent in the chain could not be resolved.
No current holder resolved from the recorded chain.
Filed Jan 13, 2015 as application 14/544,500 · Granted Feb 17, 2026
Base term, 20 years from filing
Today
2014
2034
Clock starts
Jan 13, 2014
Jan 13, 2014
Term ends
Jan 13, 2034
Jan 13, 2034
Granted
Feb 17, 2026
Feb 17, 2026
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
3
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. 0 of 1 maintenance fees are paid so far. 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 Jan 13, 2014, when application 13/999,099, the earliest non-provisional in its chain, was filed (this one was filed Jan 13, 2015); a parent in its chain could not be resolved (the next row) | Jan 13, 2034 | 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 | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 13, 2034 | Medium confidence |
This family
| US 12,213,490 | In force no later than Jan 2034 | no later than Jan 2034 |
| Application 14/544,499 | Abandoned not computed | not computed |
| US 12,550,905 | this patent Jan 2034 | Jan 2034 |
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.
What's changing
Jan 2034
Term ends Jan 13, 2034. Maintenance fees still 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.