Term ends Mar 5, 2029 · High confidence
20-year base term ended Feb 9, 2026
Held by Gentex Corporation
Filed Jun 8, 2007 as application 11/760,412 · Granted Oct 4, 2011
Base term plus 1120 days of patent term adjustment (USPTO delay)
Today
2006
2029
Clock starts
Feb 9, 2006
Feb 9, 2006
Term ends
Mar 5, 2029
Mar 5, 2029
Granted
Oct 4, 2011
Oct 4, 2011
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
1,120
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.
15
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 1120 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 Feb 9, 2006, when application 11/350,591, the earliest non-provisional in its chain, was filed (this one was filed Jun 8, 2007) | Feb 9, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1120 days, USPTO patent term adjustment record | Mar 5, 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 | Mar 5, 2029 | High confidence |
This family
| US 7,908,667 | In force no later than Apr 2028 | no later than Apr 2028 |
| US 8,028,344 | this patent Mar 2029 | Mar 2029 |
| US 9,072,328 | Term ended Feb 2026 | Feb 2026 |
| US 9,717,294 | In force Jul 2027 | Jul 2027 |
| US D750,846 | In force Mar 2031 | Mar 2031 |
| US D750,847 | In force Mar 2031 | Mar 2031 |
| US 11,672,296 | Term ended Feb 2026 | Feb 2026 |
| US D895,211 | In force Sep 2035 | Sep 2035 |
8 of 15 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 |
|---|---|---|---|
| Jun 29, 2007 Reel 19498, frame 791 | Rogers, David C.; Rogers, Charles H.; Keith-lucas, Darwin | Artisent, Inc. | Assignment of Assignor's Interest |
| Jul 16, 2012 Reel 28555, frame 164 | Artisent, Inc. | GC Boston Acquisition, LLC | Assignment of Assignor's Interest |
| Jul 16, 2012 Reel 28561, frame 87 | GC Boston Acquisition, LLC | Artisent, LLC | Change of Name |
| Jun 5, 2017 Reel 42597, frame 71 | Artisent, LLC | Gentex Corporation | 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
Mar 2029
Term ends Mar 5, 2029. No further fees fall due before then
Note
The 1120 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
69
later US patents cite this one
That is top 10% of utility patents granted in 2011 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.