Term ends Sep 12, 2033 · High confidence
20-year base term ends May 13, 2033
Held by Cellectis
Filed May 13, 2013 as application 13/892,805 · Granted Mar 14, 2023
Base term plus 122 days of patent term adjustment (USPTO delay)
Today
2013
2033
Clock starts
May 13, 2013
May 13, 2013
Term ends
Sep 12, 2033
Sep 12, 2033
Granted
Mar 14, 2023
Mar 14, 2023
base term
patent term adjustment
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
122
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
30
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 122 days past its 20-year base term on prosecution delay. 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 May 13, 2013, when this application, 13/892,805, was filed | May 13, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +122 days, USPTO patent term adjustment record | Sep 12, 2033 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 12, 2033 | High confidence |
This family
| US 11,603,539 | this patent Sep 2033 | Sep 2033 |
| Application PCT/US2013/040755 | PCT application no patent term | no patent term |
| Application PCT/US2013/040766 | PCT application no patent term | no patent term |
| Application 13/942,191 | Abandoned not computed | not computed |
| Application PCT/US2013/058005 | PCT application no patent term | no patent term |
| US 10,342,829 | In force May 2033 | May 2033 |
| US 10,426,795 | In force Aug 2035 | Aug 2035 |
| US 11,304,975 | In force May 2033 | May 2033 |
8 of 30 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 26, 2013 Reel 30690, frame 162 | Galetto, Roman; Gouble, Agnes; Grosse, Stephanie; Mannioui, Cecile; Poirot, Laurent; Scharenberg, Andrew; Smith, Julianne | Cellectis | 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
Sep 2033
Term ends Sep 12, 2033. Maintenance fees still fall due before then
Note
The 122 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
89
later US patents cite this one
That is top 1% 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.