Also listed on Tocagen, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 22, 2030 · High confidence
20-year base term ends Jun 17, 2030
Held by Denovo Biopharma LLC
Filed Dec 7, 2011 as application 13/376,827 · Granted Jun 11, 2019
Base term plus 188 days of patent term adjustment (USPTO delay)
Today
2010
2030
Clock starts
Jun 17, 2010
Jun 17, 2010
Term ends
Dec 22, 2030
Dec 22, 2030
Granted
Jun 11, 2019
Jun 11, 2019
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
188
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.
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 188 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 Jun 17, 2010, when application PCT/US2010/038996, the earliest non-provisional in its chain, was filed (this one was filed Dec 7, 2011) | Jun 17, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +188 days, USPTO patent term adjustment record | Dec 22, 2030 | 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 | Dec 22, 2030 | High confidence |
This family
| Application PCT/US2010/038996 | PCT application no patent term | no patent term |
| US 10,316,333 | this patent Dec 2030 | Dec 2030 |
| US 11,060,112 | Lapsed on the fee record Jul 2025 | Jul 2025 |
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 |
|---|---|---|---|
| Dec 13, 2011 Reel 27373, frame 44 | Jolly, Douglas; Ibanez, Carlos | Tocagen Inc. | Assignment of Assignor's Interest |
| Nov 4, 2019 Reel 50909, frame 548 | Tocagen Inc. | Oxford Finance LLC, as Collateral Agent | Security Interest |
| Apr 23, 2020 Reel 52482, frame 449 | Oxford Finance LLC | Tocagen, Inc. | Release of Security Interest |
| Jul 13, 2020 Reel 53192, frame 140 | Tocagen Inc. | Denovo Biopharma LLC | 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 2030
Term ends Dec 22, 2030. Maintenance fees still fall due before then
Note
The 188 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2019 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.