Term ends Jun 30, 2029 · High confidence
20-year base term ends Jun 30, 2029
Filed Jun 30, 2009 as application 12/459,399 · Granted Apr 16, 2013
Base term, 20 years from filing
Today
2009
2029
Clock starts
Jun 30, 2009
Jun 30, 2009
Term ends
Jun 30, 2029
Jun 30, 2029
Granted
Apr 16, 2013
Apr 16, 2013
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
11
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 30, 2009, when this application, 12/459,399, was filed | Jun 30, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 30, 2029 | High confidence |
This family
| US 9,000,923 | In force Sep 2033 | Sep 2033 |
| US 7,716,977 | Lapsed on the fee record May 2014 | May 2014 |
| US 9,027,611 | In force Feb 2034 | Feb 2034 |
| US 9,168,789 | In force Jun 2030 | Jun 2030 |
| US 8,420,759 | this patent Jun 2029 | Jun 2029 |
| US 9,168,791 | In force Mar 2031 | Mar 2031 |
| US 8,919,403 | In force Jan 2032 | Jan 2032 |
| US 8,312,766 | In force Sep 2029 | Sep 2029 |
8 of 11 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 15, 2010 Reel 25507, frame 726 | La Duca, Richard; Peres, Caroline | Danisco US Inc. | Assignment of Assignor's Interest |
| Dec 16, 2010 Reel 25510, frame 627 | Whited, Gregory M.; Chotani, Gopal K.; Valle, Fernando; Fioresi, Carol; Sanford, Karl J.; McAuliffe, Joseph C.; Cervin, Marguerite; Miasnikov, Andrei; Aldor, Ilana S. | Danisco US Inc. | Assignment of Assignor's Interest |
| Feb 9, 2011 Reel 25770, frame 955 | Feher, Frank J. | The Goodyear Tire & Rubber Company | Assignment of Assignor's Interest |
| Feb 9, 2011 Reel 25770, frame 964 | Puhala, Aaron S. | The Goodyear Tire & Rubber Company | 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 2029
Term ends Jun 30, 2029. No further fees fall due before then
Citations
12
later US patents cite this one
That is above the median of utility patents granted in 2013 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.