Lapsed Aug 7, 2024 on the fee record · High confidence
20-year base term ends Jun 3, 2029
Third maintenance fee unpaid; grace period ended.
Held by U.S. Department of Energy
Filed Jun 3, 2009 as application 12/477,887 · Granted Aug 7, 2012
Base term, 20 years from filing, plus 466 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 7, 2024
2009
2030
Clock starts
Jun 3, 2009
Jun 3, 2009
No longer in force
Aug 7, 2024
Aug 7, 2024
Granted
Aug 7, 2012
Aug 7, 2012
Term would have run to
Sep 12, 2030
Sep 12, 2030
base term
patent term adjustment
after the term ends
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
466
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
74
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Sep 12, 2030: its 20-year base term plus 466 days of term adjustment for prosecution delay. 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 3, 2009, when this application, 12/477,887, was filed | Jun 3, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +466 days, USPTO patent term adjustment record | Sep 12, 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 | 2 of 3 maintenance fees paid | lapsed Aug 7, 2024 | High confidence |
| Computed term end | The steps above, in order | Aug 7, 2024 | High confidence |
This family
| Application PCT/US2006/000167 | PCT application no patent term | no patent term |
| US 8,236,542 | this patent Aug 2024 | Aug 2024 |
| US 8,744,666 | In force Jul 2032 | Jul 2032 |
| US 9,582,006 | In force Nov 2032 | Nov 2032 |
| US 8,999,692 | Lapsed on the fee record Apr 2019 | Apr 2019 |
| Application PCT/US2012/045830 | PCT application no patent term | no patent term |
| Application PCT/US2014/030770 | PCT application no patent term | no patent term |
| US 9,665,102 | In force (reinstated) Jul 2032 | Jul 2032 |
8 of 74 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 |
|---|---|---|---|
| Dec 13, 2010 Reel 25578, frame 337 | Danisco US Inc. | Energy, United States Department Of | Confirmatory License |
| Aug 3, 2011 Reel 26697, frame 627 | Cascao-pereira, Luis; Kaper, Thijs; Kelemen, Bradley R.; Liu, Amy D. | Danisco US Inc., Genencor Division | Corrective Assignment to Correct the Application No. 12/477,877 Previously Recorded on Reel 022991 Frame 0290. Assignor(S) Hereby Confirms the the Application No. Should Have Been 12/477,887. |
| Nov 11, 2011 Reel 27220, frame 296 | Danisco US Inc., Genencor Division | Danisco US Inc. | Corrective Assignment to Correct the Assignee Name: Danisco US Inc., Genencor Division Previously Recorded on Reel 026697 Frame 0627. Assignor(S) Hereby Confirms the Assignment. |
| Aug 7, 2018 Reel 46572, frame 187 | Danisco US Inc. | U.S. Department of Energy | 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
Note
The 466 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
15
later US patents cite this one
That is above the median of utility patents granted in 2012 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.