Collateral for a security interest recorded Sep 7, 2023 (Morgan Stanley Senior Funding, Inc.).
Term ends Sep 19, 2035 · High confidence
20-year base term ends Apr 29, 2035
Held by Insulet Corporation
Filed Feb 20, 2020 as application 16/796,184 · Granted Oct 18, 2022
Base term plus 143 days of patent term adjustment (USPTO delay)
Today
2015
2035
Clock starts
Apr 29, 2015
Apr 29, 2015
Term ends
Sep 19, 2035
Sep 19, 2035
Granted
Oct 18, 2022
Oct 18, 2022
base term
patent term adjustment
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
143
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,603,433, US 9,878,097, to Sep 19, 2035. The term already ends on or before that date, so the cap shortened nothing.
1 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.
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 runs 143 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is 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 Apr 29, 2015, when application 14/699,341, the earliest non-provisional in its chain, was filed (this one was filed Feb 20, 2020) | Apr 29, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +143 days, USPTO patent term adjustment record | Sep 19, 2035 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,603,433, US 9,878,097) | resolves to Sep 19, 2035, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 19, 2035 | High confidence |
This family
| US 9,878,097 | In force Dec 2035 | Dec 2035 |
| US 10,603,433 | In force Oct 2035 | Oct 2035 |
| US 11,471,598 | this patent Sep 2035 | Sep 2035 |
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 10, 2020 Reel 52368, frame 199 | Estes, Mark C. | Asante Solutions, Inc. | Assignment of Assignor's Interest |
| Apr 10, 2020 Reel 52372, frame 1 | Asante Solutions, Inc. | Asante LLC | Assignment of Assignor's Interest |
| Apr 10, 2020 Reel 52372, frame 32 | Asante LLC | Bigfoot Biomedical, Inc. | Assignment of Assignor's Interest |
| Mar 12, 2021 Reel 55583, frame 44 | Bigfoot Biomedical, Inc. | Madryn Health Partners, LP | Security Interest |
| Feb 10, 2023 Reel 62702, frame 145 | Madryn Health Partners, LP | Madryn Fund Administration, LLC | Security Interest |
| Feb 17, 2023 Reel 62793, frame 316 | Madryn Fund Administration, LLC | Bigfoot Biomedical, Inc. | Release of Security Interest |
| Mar 1, 2023 Reel 62900, frame 1 | Bigfoot Biomedical, Inc. | Insulet Corporation | Assignment of Assignor's Interest |
| Jun 13, 2023 Reel 63937, frame 963 | Estes, Mark C. | Asante Solutions, Inc. | Nunc Pro Tunc Assignment |
| Sep 7, 2023 Reel 64840, frame 181 | Insulet Corporation | Morgan Stanley Senior Funding, Inc., as Collateral Agent | Security Agreement Supplement |
| Sep 12, 2024 Reel 68948, frame 172 | Bigfoot Biomedical, Inc. | Madryn Health Partners, LP | Security Interest |
| Sep 12, 2024 Reel 68948, frame 324 | Madryn Health Partners, LP | Madryn Fund Administration, LLC | Security Interest |
| Sep 23, 2024 Reel 69019, frame 142 | Bigfoot Biomedical, Inc. | Madryn Health Partners, LP | Security Interest |
| Sep 23, 2024 Reel 69019, frame 188 | Madryn Health Partners, LP | Madryn Fund Administration, LLC | Security Interest |
| Sep 24, 2024 Reel 69030, frame 104 | Madryn Health Partners, LP | Madryn Fund Administration, LLC | Security Interest |
| Sep 24, 2024 Reel 69030, frame 296 | Bigfoot Biomedical, Inc. | Madryn Health Partners, LP | Security Interest |
| Sep 30, 2024 Reel 69073, frame 912 | Bigfoot Biomedical, Inc. | Madryn Health Partners, LP | Security Interest |
| Sep 30, 2024 Reel 69074, frame 1 | Madryn Health Partners, LP | Madryn Fund Administration, LLC | Security Interest |
| Jan 10, 2025 Reel 69870, frame 456 | Bigfoot Biomedical, Inc. | Madryn Health Partners, LP | Security Interest |
| Jan 10, 2025 Reel 69870, frame 519 | Madryn Health Partners, LP | Madryn Fund Administration, LLC | 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
Sep 2035
Term ends Sep 19, 2035. Maintenance fees still fall due before then
Note
The 143 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,603,433, US 9,878,097, ends no earlier than this term, so it caps nothing.
Citations
13
later US patents cite this one
That is top 10% of utility patents granted in 2022 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.