Term ended Nov 12, 2024 · High confidence
20-year base term ended Apr 23, 2024
Held by MannKind Corporation
Filed Nov 18, 2019 as application 16/687,017 · Granted May 9, 2023
Base term plus 203 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 12, 2024
2004
2026
Clock starts
Apr 23, 2004
Apr 23, 2004
Term ended
Nov 12, 2024
Nov 12, 2024
Granted
May 9, 2023
May 9, 2023
base term
patent term adjustment
after the term ends
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
203
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 203 days past its 20-year base term on 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 Apr 23, 2004, when application 10/831,354, the earliest non-provisional in its chain, was filed (this one was filed Nov 18, 2019) | Apr 23, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +203 days, USPTO patent term adjustment record | Nov 12, 2024 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 12, 2024 | High confidence |
This family
| US 7,530,968 | Term ended Jun 2024 | Jun 2024 |
| US 8,070,726 | Term ended Jun 2024 | Jun 2024 |
| US 9,072,828 | In force Jul 2027 | Jul 2027 |
| US 9,125,983 | Term ended Oct 2025 | Oct 2025 |
| US 9,511,187 | Term ended Apr 2024 | Apr 2024 |
| US 10,525,194 | Term ended Apr 2024 | Apr 2024 |
| US 11,642,456 | this patent Nov 2024 | Nov 2024 |
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 |
|---|---|---|---|
| Apr 3, 2020 Reel 52309, frame 428 | Gonnelli, Robert R.; McAllister, Devin V.; Levesque, Steven F. | Biovalve Technologies, Inc. | Assignment of Assignor's Interest |
| Apr 3, 2020 Reel 52309, frame 536 | Biovalve Technologies, Inc. | Valeritas LLC | Assignment of Assignor's Interest |
| Apr 3, 2020 Reel 52314, frame 535 | Valeritas LLC | Valeritas, Inc. | Change of Name |
| Jun 6, 2020 Reel 52859, frame 390 | Valeritas, Inc. | Zealand Pharma A/S | Assignment of Assignor's Interest |
| Dec 27, 2021 Reel 58593, frame 261 | Zealand Pharma A/S | Zoolander S.A. LLC | Patent Security Agreement |
| Aug 24, 2022 Reel 60887, frame 685 | Zoolander S.A. LLC | Zealand Pharma A/S | Release of Security Interest |
| Sep 2, 2022 Reel 60984, frame 295 | Zealand Pharma A/S | MannKind Corporation | Assignment of Assignor's 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 203 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
That is below the median 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.