Term ends Dec 3, 2028 · High confidence
20-year base term ends Dec 3, 2028
Filed Nov 10, 2021 as application 17/523,648 · Granted Mar 19, 2024
Base term, 20 years from filing
Today
2008
2028
Clock starts
Dec 3, 2008
Dec 3, 2008
Term ends
Dec 3, 2028
Dec 3, 2028
Granted
Mar 19, 2024
Mar 19, 2024
base term
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 10,022,439, US 10,272,151, US 10,758,610, US 11,202,826, US 9,539,318, to Dec 3, 2028. The term already ends on or before that date, so the cap shortened nothing.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
10
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. 0 of 1 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 Dec 3, 2008, when application PCT/FR2008/052199, the earliest non-provisional in its chain, was filed (this one was filed Nov 10, 2021) | Dec 3, 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 10,022,439, US 10,272,151, US 10,758,610, US 11,202,826, US 9,539,318) | resolves to Dec 3, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 3, 2028 | High confidence |
This family
| US 9,539,318 | In force Apr 2031 | Apr 2031 |
| US 10,022,439 | In force Dec 2028 | Dec 2028 |
| US 10,272,151 | In force Dec 2028 | Dec 2028 |
| US 10,758,610 | In force Dec 2028 | Dec 2028 |
| US 11,202,826 | In force Dec 2028 | Dec 2028 |
| US 11,931,411 | this patent Dec 2028 | Dec 2028 |
| US 12,403,193 | In force Dec 2028 | Dec 2028 |
| US 12,558,419 | In force Dec 2028 | Dec 2028 |
8 of 10 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 |
|---|---|---|---|
| Jun 20, 2022 Reel 60390, frame 122 | Universite de Paris | Université Paris Cité | Change of Name |
| Jun 20, 2022 Reel 60541, frame 336 | Universite Paris Descartes; Universite Paris Diderot - Paris 7; Universite de Paris | Universite de Paris | Merger and Change of Name |
| Jan 11, 2023 Reel 62387, frame 489 | Universite de Paris | Université Paris Cité | Corrective Assignment to Correct the Property Number 16930208 Previously Recorded at Reel: 060390 Frame: 0122. Assignor(S) Hereby Confirms the Change of Name. |
| Jan 11, 2023 Reel 62387, frame 346 | Universite Paris Descartes; Universite Paris Diderot - Paris 7 | Universite de Paris | Corrective Assignment to Correct the Property Number 16930208 Previously Recorded at Reel: 060541 Frame: 0336. Assignor(S) Hereby Confirms the Merger and Change of Name. |
| Jan 26, 2023 Reel 62502, frame 47 | Dupont, Christophe; Benhamou, Pierre-henri; Dupont, Bertrand | DBV Technologies | Assignment of Assignor's Interest |
| Jan 26, 2023 Reel 62521, frame 170 | DBV Technologies | DBV Technologies; L'Assistance Publique - Hopitaux de Paris; Universite Paris Descartes | Assignment of Assignor's Interest |
| Jan 26, 2023 reel/frame not recorded | DBV Technologies | DBV Technologies | Assignment of Assignor's Interest |
| Jan 26, 2023 reel/frame not recorded | DBV Technologies | L'Assistance Publique - Hopitaux de Paris | Assignment of Assignor's Interest |
| Jan 26, 2023 reel/frame not recorded | DBV Technologies | Universite Paris Descartes | 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
Dec 2028
Term ends Dec 3, 2028. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,022,439, US 10,272,151, US 10,758,610, US 11,202,826, US 9,539,318, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.