Term ends Oct 23, 2037 · High confidence
20-year base term ends Jul 7, 2037
Held by Pfizer Inc.
Filed Apr 20, 2021 as application 17/234,841 · Granted Jul 11, 2023
Base term plus 108 days of patent term adjustment (USPTO delay)
Today
2017
2037
Clock starts
Jul 7, 2017
Jul 7, 2017
Term ends
Oct 23, 2037
Oct 23, 2037
Granted
Jul 11, 2023
Jul 11, 2023
base term
patent term adjustment
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
108
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
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 runs 108 days past its 20-year base term on prosecution delay. 0 of 3 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 Jul 7, 2017, when application PCT/EP2017/067119, the earliest non-provisional in its chain, was filed (this one was filed Apr 20, 2021) | Jul 7, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +108 days, USPTO patent term adjustment record | Oct 23, 2037 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 23, 2037 | High confidence |
This family
| US 10,294,289 | In force Jul 2037 | Jul 2037 |
| US 11,021,528 | Lapsed on the fee record Jun 2025 | Jun 2025 |
| US 11,697,678 | this patent Oct 2037 | Oct 2037 |
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 |
|---|---|---|---|
| Oct 27, 2021 Reel 57937, frame 107 | Therachon Holding GmbH | Pfizer Inc. | Assignment of Assignor's Interest |
| Oct 27, 2021 Reel 57937, frame 129 | Communauté d'Universités et Établissements Université Côte d'Azur; Université Nice Sophia Antipolis | Université Côte d'Azur | Assignment of Assignor's Interest |
| Oct 27, 2021 Reel 57937, frame 151 | Therachon SAS | Therachon Holding GmbH | Assignment of Assignor's Interest |
| Oct 27, 2021 Reel 57943, frame 304 | Gouze, Elvire | Therachon SAS; Inserm (Institut National de la Sante et de la Recherche Medicale); Université Nice Sophia Antipolis | Assignment of Assignor's Interest |
| Oct 27, 2021 Reel 57943, frame 311 | Garcia, Stephanie | Therachon SAS | Assignment of Assignor's Interest |
| Oct 27, 2021 reel/frame not recorded | Gouze, Elvire | Therachon SAS | Assignment of Assignor's Interest |
| Oct 27, 2021 reel/frame not recorded | Gouze, Elvire | Inserm (Institut National de la Sante et de la Recherche Medicale) | Assignment of Assignor's Interest |
| Oct 27, 2021 reel/frame not recorded | Gouze, Elvire | Université Nice Sophia Antipolis | 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
Oct 2037
Term ends Oct 23, 2037. Maintenance fees still fall due before then
Note
The 108 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is above 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.