Collateral for a security interest recorded Apr 6, 2026 (PNC Bank, National Association).
Term ends Mar 9, 2029 · High confidence
20-year base term ends Jul 2, 2028
Held by LSI Industries, Inc.
Filed Sep 26, 2013 as application 14/038,216 · Granted Nov 24, 2015
Base term plus 250 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Jul 2, 2008
Jul 2, 2008
Term ends
Mar 9, 2029
Mar 9, 2029
Granted
Nov 24, 2015
Nov 24, 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
250
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.
7
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 250 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 Jul 2, 2008, when application 12/166,536, the earliest non-provisional in its chain, was filed (this one was filed Sep 26, 2013) | Jul 2, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +250 days, USPTO patent term adjustment record | Mar 9, 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 | Mar 9, 2029 | High confidence |
This family
| US 7,828,456 | In force Aug 2028 | Aug 2028 |
| Application PCT/US2008/079810 | PCT application no patent term | no patent term |
| US 8,002,428 | In force Jul 2028 | Jul 2028 |
| US 8,177,386 | In force Jul 2028 | Jul 2028 |
| US 8,434,893 | In force Jul 2028 | Jul 2028 |
| US 8,567,983 | In force Jul 2028 | Jul 2028 |
| US 9,194,550 | this patent Mar 2029 | Mar 2029 |
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 |
|---|---|---|---|
| Sep 26, 2013 Reel 31292, frame 428 | Boyer, John D.; Vanden Eynden, James G. | LSI Industries, Inc. | Assignment of Assignor's Interest |
| Apr 6, 2026 Reel 75366, frame 338 | LSI Industries Inc. | PNC Bank, National Association, as Administrative Agent | Security 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 9, 2029. Maintenance fees still fall due before then
Note
The 250 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
41
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.