Collateral for a security interest recorded Aug 4, 2021 (U.S. Bank National Association).
Term ends Feb 28, 2031 · High confidence
20-year base term ends Feb 28, 2031
Held by Kaleo, Inc.
Filed Jan 26, 2015 as application 14/605,512 · Granted Nov 14, 2017
Base term plus 502 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2011
2031
Clock starts
Feb 28, 2011
Feb 28, 2011
Term ends
Feb 28, 2031
Feb 28, 2031
Granted
Nov 14, 2017
Nov 14, 2017
base term
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
502
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,627,816, US 9,022,022, US 9,474,869.
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.
This patent's term runs 502 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 3 maintenance fees are paid so far. 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 application 13/036,720, the earliest non-provisional in its chain, was filed (this one was filed Jan 26, 2015) | Feb 28, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +502 days, USPTO patent term adjustment record | Jul 14, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,627,816, US 9,022,022, US 9,474,869) | capped to Feb 28, 2031 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 28, 2031 | High confidence |
This family
| US 8,627,816 | Lapsed on the fee record 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 | this patent 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 |
|---|---|---|---|
| Jan 29, 2015 Reel 34847, frame 580 | Edwards, Eric S.; Edwards, Evan T.; Licata, Mark J.; Blondino, Frank E. | Intelliject, Inc. | Assignment of Assignor's Interest |
| Jan 29, 2015 Reel 34847, frame 604 | Ebap, Inc., D/B/A Streamline Design | Intelliject, Inc. | Assignment of Assignor's Interest |
| Jan 29, 2015 Reel 34847, frame 608 | Meyers, Paul F. | Ebap, Inc., D/B/A Streamline Design | Assignment of Assignor's Interest |
| Jan 29, 2015 Reel 34847, frame 620 | Edwards, Eric S.; Edwards, Evan T.; Licata, Mark J. | Intelliject, Inc. | Assignment of Assignor's Interest |
| Jan 29, 2015 Reel 34859, frame 425 | Intelliject, Inc. | Kaleo, Inc. | Change of Name |
| Aug 4, 2021 Reel 57076, frame 316 | Kaleo, Inc. | U.S. Bank National Association | Security Interest |
| Jun 24, 2026 Reel 75814, frame 158 | Kaleo, Inc. | Wells Fargo 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.
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Alerts on its grants, lapses and transfers.
What's changing
Feb 2031
Term ends Feb 28, 2031. Maintenance fees still fall due before then
Note
The 502 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,627,816, US 9,022,022, US 9,474,869.
Citations
23
later US patents cite this one
That is top 25% of utility patents granted in 2017 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.