Term ends Jul 8, 2029 · High confidence
20-year base term ends Oct 1, 2027
Filed Oct 1, 2007 as application 11/865,085 · Granted Aug 18, 2015
Base term plus 646 days of patent term adjustment (USPTO delay)
Today
2007
2029
Clock starts
Oct 1, 2007
Oct 1, 2007
Term ends
Jul 8, 2029
Jul 8, 2029
Granted
Aug 18, 2015
Aug 18, 2015
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
646
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.
9
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 646 days past its 20-year base term on prosecution delay. 2 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 1, 2007, when this application, 11/865,085, was filed | Oct 1, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +646 days, USPTO patent term adjustment record | Jul 8, 2029 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Jul 8, 2029 | High confidence |
This family
| US 9,108,469 | this patent Jul 2029 | Jul 2029 |
| Application PCT/US2008/011302 | PCT application no patent term | no patent term |
| Application 13/772,455 | Abandoned not computed | not computed |
| US 10,272,724 | In force Jun 2029 | Jun 2029 |
| US 9,649,886 | In force Oct 2027 | Oct 2027 |
| US 9,873,291 | In force Oct 2027 | Oct 2027 |
| Application 16/249,984 | Abandoned not computed | not computed |
| US 12,208,648 | In force Oct 2027 | Oct 2027 |
8 of 9 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 |
|---|---|---|---|
| Oct 1, 2007 Reel 19900, frame 244 | Wallet, Bill J., MR.; Regallis, John J., MR.; Parker, Jeffrey D., MR.; Shimizu, Nobuo, MR.; Miklic, Andrew T., MR. | Bridgestone Firestone North American Tire, LLC | Assignment of Assignor's Interest |
| Aug 28, 2014 Reel 33647, frame 721 | Bridgestone Firestone North American Tire, LLC | Bridgestone Americas Tire Operations, LLC | Change of Name |
| Nov 3, 2014 Reel 34088, frame 288 | Dumigan, Keith A. | Bridgestone Americas Tire Operations, LLC | Assignment of Assignor's Interest |
| Nov 3, 2014 Reel 34142, frame 185 | Bridgestone Firestone North American Tire, LLC | Bridgestone Americas Tire Operations, LLC | 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 2029
Term ends Jul 8, 2029. Maintenance fees still fall due before then
Note
The 646 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
23
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.