Term ends Sep 17, 2029 · High confidence
20-year base term ends Nov 11, 2028
Filed Aug 5, 2010 as application 12/734,526 · Granted Nov 20, 2012
Base term plus 310 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Nov 11, 2008
Nov 11, 2008
Term ends
Sep 17, 2029
Sep 17, 2029
Granted
Nov 20, 2012
Nov 20, 2012
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
310
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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 runs 310 days past its 20-year base term on 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 Nov 11, 2008, when application PCT/DE2008/001843, the earliest non-provisional in its chain, was filed (this one was filed Aug 5, 2010) | Nov 11, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +310 days, USPTO patent term adjustment record | Sep 17, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 17, 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 | In force 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 | this patent 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 |
|---|---|---|---|
| Aug 9, 2010 Reel 24806, frame 350 | Pingel, Ulrich | Ventech GmbH | Assignment of Assignor's Interest |
| Jan 16, 2014 Reel 31980, frame 917 | Weber, Norbert | Ventech Systems GmbH | Assignment of Assignor's Interest |
| Jan 16, 2014 Reel 32040, frame 354 | Ventech GmbH | Weber, Norbert | Court Appointment of Trustee |
| Dec 20, 2019 Reel 51345, frame 815 | Ventech Systems GmbH | 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
Sep 2029
Term ends Sep 17, 2029. No further fees fall due before then
Note
The 310 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
16
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.