Term ends Jun 29, 2030 · Medium confidence
20-year base term ends Nov 10, 2029
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,785,171), so the cap could be lower.
Held by Danisco US Inc.
Filed Aug 1, 2011 as application 13/128,854 · Granted Jun 17, 2014
Base term plus 231 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Nov 10, 2009
Nov 10, 2009
Term ends
Jun 29, 2030
Jun 29, 2030
Granted
Jun 17, 2014
Jun 17, 2014
base term
patent term adjustment
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
231
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,728,790, US 8,785,171, to Jun 29, 2030. The term already ends on or before that date, so the cap shortened nothing.
3 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.
6
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 231 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 Nov 10, 2009, when application PCT/US2009/063837, the earliest non-provisional in its chain, was filed (this one was filed Aug 1, 2011) | Nov 10, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +231 days, USPTO patent term adjustment record | Jun 29, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,728,790, US 8,785,171) | resolves to Jun 29, 2030, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 29, 2030 | Medium confidence |
This family
| Application PCT/US2009/063837 | PCT application no patent term | no patent term |
| Application PCT/US2009/063808 | PCT application no patent term | no patent term |
| US 8,753,861 | this patent Jun 2030 | Jun 2030 |
| US 9,096,838 | Lapsed on the fee record Aug 2019 | Aug 2019 |
| Application 14/537,660 | Abandoned not computed | not computed |
| Application 14/754,355 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Aug 1, 2011 Reel 26681, frame 415 | Cascao-pereira, Luis G.; Estell, David A.; Kellis, James T., JR. | Danisco US Inc. | 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
Jun 2030
Term ends Jun 29, 2030. No further fees fall due before then
Note
The 231 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,728,790, US 8,785,171, ends no earlier than this term, so it caps nothing.
Citations
20
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.