Also listed on Institut Pasteur de Montevideo, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 2, 2038 · High confidence
20-year base term ends May 2, 2038
Filed May 2, 2018 as application 15/969,350 · Granted Feb 15, 2022
Base term, 20 years from filing
Today
2018
2038
Clock starts
May 2, 2018
May 2, 2018
Term ends
May 2, 2038
May 2, 2038
Granted
Feb 15, 2022
Feb 15, 2022
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
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.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. 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 May 2, 2018, when this application, 15/969,350, was filed | May 2, 2038 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 2, 2038 | High confidence |
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 |
|---|---|---|---|
| Jan 12, 2022 Reel 58627, frame 779 | Hill, Marcelo; Segovia, Mercedes; Russo, Sofia; Jeldres, Mathias | Universidad de la Republica; Institut Pasteur de Montevideo | Assignment of Assignor's Interest |
| Jan 12, 2022 Reel 58627, frame 931 | Girotti, Maria Romina; Mahmoud, Yamil; Vega, Maite Duhalde | Consejo Nacional de Investigaciones Cientificas y Tecnicas (Conicet) | Assignment of Assignor's Interest |
| Jan 12, 2022 reel/frame not recorded | Hill, Marcelo; Jeldres, Mathias; Russo, Sofia; Segovia, Mercedes | Universidad de la Republica | Assignment of Assignor's Interest |
| Jan 12, 2022 reel/frame not recorded | Hill, Marcelo; Jeldres, Mathias; Russo, Sofia; Segovia, Mercedes | Institut Pasteur de Montevideo | 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
May 2038
Term ends May 2, 2038. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
That is below the median 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.