Term ended Feb 9, 2026 · High confidence
20-year base term ended Feb 9, 2026
Held by Gentex Corporation
Filed Jun 23, 2017 as application 15/631,668 · Granted Jun 13, 2023
Base term plus 1047 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Feb 9, 2026
2006
2026
Clock starts
Feb 9, 2006
Feb 9, 2006
Term ended
Feb 9, 2026
Feb 9, 2026
Granted
Jun 13, 2023
Jun 13, 2023
base term
after the term ends
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
1,047
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,072,328.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
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 1047 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 23, 2017) | Feb 9, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1047 days, USPTO patent term adjustment record | Dec 22, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,072,328) | capped to Feb 9, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No maintenance fee can end the term early | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 9, 2026 | High confidence |
This family
| US 7,908,667 | In force no later than Apr 2028 | no later than Apr 2028 |
| US 8,028,344 | In force 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 | this patent 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 |
|---|---|---|---|
| Aug 16, 2017 Reel 43309, frame 395 | Rogers, David C.; Rogers, Charles H.; Keith-lucas, Darwin | Artisent, Inc. | Assignment of Assignor's Interest |
| Aug 17, 2017 Reel 43312, frame 403 | Artisent, Inc. | GC Boston Acquisition, LLC | Assignment of Assignor's Interest |
| Aug 17, 2017 Reel 43580, frame 234 | GC Boston Acquisition, LLC | Artisent, LLC | Change of Name |
| Aug 17, 2017 Reel 43312, frame 419 | Artisent, LLC | Gentex Corporation | Assignment of Assignor's Interest |
| Aug 2, 2019 Reel 49940, frame 523 | Noordzij, Duco W. | 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
Note
The 1047 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,072,328.
Citations
12
later US patents cite this one
That is top 10% of utility patents granted in 2023 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.