Term ends Jul 26, 2039 · High confidence
20-year base term ends Oct 20, 2036
Held by C3S2 GmbH
Filed Apr 20, 2018 as application 15/770,171 · Granted Feb 27, 2024
Base term plus 1009 days of patent term adjustment (USPTO delay)
Today
2016
2039
Clock starts
Oct 20, 2016
Oct 20, 2016
Term ends
Jul 26, 2039
Jul 26, 2039
Granted
Feb 27, 2024
Feb 27, 2024
base term
patent term adjustment
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
1,009
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.
3
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 1009 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 Oct 20, 2016, when application PCT/IB2016/001650, the earliest non-provisional in its chain, was filed (this one was filed Apr 20, 2018) | Oct 20, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1009 days, USPTO patent term adjustment record | Jul 26, 2039 | 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 | Jul 26, 2039 | High confidence |
This family
| US 11,913,024 | this patent Jul 2039 | Jul 2039 |
| Application 18/411,732 | Pending not computed | not computed |
2 of 3 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 |
|---|---|---|---|
| Feb 28, 2019 Reel 48472, frame 533 | Germeroth, Lothar; Stemberger, Christian; Graf, Patricia | Juno Therapeutics GmbH | Assignment of Assignor's Interest |
| Sep 15, 2025 Reel 72906, frame 617 | Juno Therapeutics GmbH | C3S2 GmbH | Change of Name |
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
Jul 2039
Term ends Jul 26, 2039. Maintenance fees still fall due before then
Note
The 1009 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite 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.