Collateral for a security interest recorded Aug 4, 2021 (U.S. Bank National Association).
Lapsed Jan 14, 2026 on the fee record · High confidence
20-year base term ends Feb 28, 2031
Third maintenance fee unpaid; grace period ended.
Held by Kaleo, Inc.
Filed Feb 28, 2011 as application 13/036,720 · Granted Jan 14, 2014
Base term, 20 years from filing, plus 341 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 14, 2026
2011
2032
Clock starts
Feb 28, 2011
Feb 28, 2011
No longer in force
Jan 14, 2026
Jan 14, 2026
Granted
Jan 14, 2014
Jan 14, 2014
Term would have run to
Feb 4, 2032
Feb 4, 2032
base term
patent term adjustment
after the term ends
fee events
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
341
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
18
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Feb 4, 2032: its 20-year base term plus 341 days of term adjustment for prosecution delay. 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 Feb 28, 2011, when this application, 13/036,720, was filed | Feb 28, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +341 days, USPTO patent term adjustment record | Feb 4, 2032 | 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 | 2 of 3 maintenance fees paid | lapsed Jan 14, 2026 | High confidence |
| Computed term end | The steps above, in order | Jan 14, 2026 | High confidence |
This family
| US 8,627,816 | this patent Jan 2026 | Jan 2026 |
| US 9,084,849 | In force Sep 2032 | Sep 2032 |
| US 8,939,943 | In force Feb 2031 | Feb 2031 |
| US 9,022,022 | In force Feb 2031 | Feb 2031 |
| US 9,814,838 | In force Feb 2031 | Feb 2031 |
| US 9,474,869 | In force Feb 2031 | Feb 2031 |
| US 10,238,806 | In force Jan 2034 | Jan 2034 |
| US 10,143,792 | In force May 2031 | May 2031 |
8 of 18 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 2, 2011 Reel 25889, frame 162 | Edwards, Eric S.; Edwards, Evan T.; Licata, Mark J.; Blondino, Frank E. | Intelliject, Inc. | Assignment of Assignor's Interest |
| Jan 14, 2014 Reel 32005, frame 932 | Intelliject, Inc. | Kaleo, Inc. | Change of Name |
| Aug 4, 2021 Reel 57076, frame 316 | Kaleo, Inc. | U.S. Bank National Association | Security Interest |
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
Note
The 341 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
59
later US patents cite this one
That is top 10% of utility patents granted in 2014 in our data, the only group it is compared against.
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.