Collateral for a security interest recorded Aug 4, 2021 (U.S. Bank National Association).
Term ends Dec 11, 2026 · Medium confidence
20-year base term ended Nov 22, 2024
Why Medium: A parent in the chain could not be resolved.
Held by Kaleo, Inc.
Filed Aug 28, 2019 as application 16/554,189 · Granted Feb 28, 2023
Base term plus 749 days of patent term adjustment (USPTO delay)
Today
2004
2026
Clock starts
Nov 22, 2004
Nov 22, 2004
Term ends
Dec 11, 2026
Dec 11, 2026
Granted
Feb 28, 2023
Feb 28, 2023
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
749
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.
67
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 749 days past its 20-year base term on 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 Nov 22, 2004, when application PCT/US2004/039386, the earliest non-provisional in its chain, was filed (this one was filed Aug 28, 2019); a parent in its chain could not be resolved (the next row) | Nov 22, 2024 | 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 | +749 days, USPTO patent term adjustment record | Dec 11, 2026 | 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 | Dec 11, 2026 | Medium confidence |
This family
| US 7,416,540 | Term ended Nov 2025 | Nov 2025 |
| Application PCT/US2004/039386 | PCT application no patent term | no patent term |
| Application 60/648,822 | Provisional application no patent term | no patent term |
| Application 60/731,886 | Provisional application no patent term | no patent term |
| Application PCT/US2006/003415 | PCT application no patent term | no patent term |
| US 7,749,194 | In force Oct 2028 | Oct 2028 |
| Application 60/787,046 | Provisional application no patent term | no patent term |
| US 7,648,482 | Term ended Nov 2025 | Nov 2025 |
8 of 67 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 |
|---|---|---|---|
| Aug 30, 2019 Reel 50219, frame 211 | Edwards, Eric Shawn; Edwards, Evan Thomas; Licata, Mark J. | Intelliject, LLC | Assignment of Assignor's Interest |
| Aug 30, 2019 Reel 50219, frame 249 | Meyers, Paul F. | Worrell, Inc. | Assignment of Assignor's Interest |
| Aug 30, 2019 Reel 50219, frame 315 | Worrell, Inc. | Intelliject, LLC | Assignment of Assignor's Interest |
| Aug 30, 2019 Reel 50219, frame 465 | Intelliject, LLC | Intelliject, Inc. | Merger |
| Aug 30, 2019 Reel 50240, frame 708 | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2026
Term ends Dec 11, 2026. No further fees fall due before then
Note
The 749 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
19
later US patents cite this one
That is top 5% of utility patents granted in 2023 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.