Term ends Oct 31, 2028 · High confidence
20-year base term ends Oct 31, 2028
Held by Astremiha Therapeutics
Filed May 15, 2015 as application 14/713,477 · Granted Dec 5, 2017
Base term, 20 years from filing
Today
2008
2028
Clock starts
Oct 31, 2008
Oct 31, 2008
Term ends
Oct 31, 2028
Oct 31, 2028
Granted
Dec 5, 2017
Dec 5, 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
4
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. 2 of 2 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 Oct 31, 2008, when application PCT/FR2008/001538, the earliest non-provisional in its chain, was filed (this one was filed May 15, 2015) | Oct 31, 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 31, 2028 | High confidence |
This family
| Application 12/740,790 | Abandoned not computed | not computed |
| US 9,056,071 | In force Oct 2028 | Oct 2028 |
| US 9,833,492 | this patent Oct 2028 | Oct 2028 |
3 of 4 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 22, 2022 Reel 60856, frame 245 | Universite de Paris 11 - Paris Sud (Also Named Université Paris-Sud) | Universite Paris-Saclay | Merger |
| Dec 11, 2025 Reel 73919, frame 899 | Laforge, Mireille | Astremiha Therapeutics | 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.
What's changing
Oct 2028
Term ends Oct 31, 2028. No further fees fall due before then
Citations
0
later US patents cite this one
That is below the median 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.