Term ends Feb 13, 2028 · High confidence
20-year base term ends Feb 13, 2028
Held by Tolmar Inc.
Filed Apr 10, 2018 as application 15/950,024 · Granted Feb 19, 2019
Base term, 20 years from filing
Today
2008
2028
Clock starts
Feb 13, 2008
Feb 13, 2008
Term ends
Feb 13, 2028
Feb 13, 2028
Granted
Feb 19, 2019
Feb 19, 2019
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,187,593, US 9,655,970, to Feb 13, 2028. The term already ends on or before that date, so the cap shortened nothing.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
8
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 is its 20-year base term, with no adjustment for 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 2 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 Feb 13, 2008, when application PCT/US2008/001887, the earliest non-provisional in its chain, was filed (this one was filed Apr 10, 2018) | Feb 13, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,187,593, US 9,655,970) | resolves to Feb 13, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 13, 2028 | High confidence |
This family
| US 9,187,593 | Lapsed on the fee record Nov 2023 | Nov 2023 |
| US 9,561,282 | In force Feb 2028 | Feb 2028 |
| US 9,655,970 | In force Feb 2028 | Feb 2028 |
| US 9,974,824 | Lapsed on the fee record May 2026 | May 2026 |
| US 10,206,970 | this patent Feb 2028 | Feb 2028 |
| US 11,147,880 | In force Feb 2028 | Feb 2028 |
| US 11,717,572 | In force Feb 2028 | Feb 2028 |
7 of 8 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 |
|---|---|---|---|
| May 21, 2018 Reel 45865, frame 684 | Dadey, Eric; Middleton, John; Norton, Richard L. | Tolmar Therapeutics, Inc. | Assignment of Assignor's Interest |
| Jul 13, 2020 Reel 53185, frame 453 | Tolmar Therapeutics, Inc. | Wells Fargo Bank, National Association, as Administrative Agent | Security Interest |
| Feb 23, 2023 Reel 62785, frame 849 | Tolmar Therapeutics Inc. | Tolmar Inc. | Merger |
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
Feb 2028
Term ends Feb 13, 2028.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,187,593, US 9,655,970, ends no earlier than this term, so it caps nothing.
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2019 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.