Maintenance fees coming due
10 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 6, 2026. Unpaid by Jun 7, 2027, that one lapses early.
A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5
and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the
six month grace period that follows.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 11,668,443 | Luminaire Uplight Device and Related Methods In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | LSI Industries, Inc. | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 10,337,912 | Sensor Support For Use With Lighting Refractor In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 · High confidence | LSI Industries, Inc. | In force | Jan 2, 2027 | Jul 2, 2027 | High confidence | |
| US 10,390,183 | Light Fixture Positioning System That Transmits Beacon Signals Having Different Spatial Resolutions In force Fee due Feb 20, 2027 Lapses if unpaid Aug 20, 2027 · High confidence | LSI Industries, Inc. | In force | Feb 20, 2027 | Aug 20, 2027 | High confidence | |
| US 9,127,826 | Indirect Lighting Luminaire In force Fee due Mar 8, 2027 Lapses if unpaid Sep 8, 2027 · High confidence | LSI Industries, Inc. | In force | Mar 8, 2027 | Sep 8, 2027 | High confidence | |
| US 9,194,550 | Roadway Luminaire and Methods of Use In force Fee due May 24, 2027 Lapses if unpaid Nov 24, 2027 · High confidence | LSI Industries, Inc. | In force | May 24, 2027 | Nov 24, 2027 | High confidence | |
| US 9,222,654 | Luminaires and Luminaire Mounting Structures In force Fee due Jun 29, 2027 Lapses if unpaid Dec 29, 2027 · Medium confidence | LSI Industries, Inc. | In force | Jun 29, 2027 | Dec 29, 2027 | Medium confidence | |
| US 10,527,240 | Surface Mount Luminaire In force Fee due Jul 7, 2027 Lapses if unpaid Jan 7, 2028 · High confidence | LSI Industries, Inc. | In force | Jul 7, 2027 | Jan 7, 2028 | High confidence | |
| US 9,234,649 | Luminaires and Lighting Structures In force Fee due Jul 12, 2027 Lapses if unpaid Jan 12, 2028 · High confidence | LSI Industries, Inc. | In force | Jul 12, 2027 | Jan 12, 2028 | High confidence | |
| US 11,875,711 | Articulating Digital Menu Board and Related Methods In force Fee due Jul 16, 2027 Lapses if unpaid Jan 18, 2028 · High confidence | LSI Industries, Inc. | In force | Jul 16, 2027 | Jan 18, 2028 | High confidence | |
| US 10,555,155 | Electronic Tag Beacon In force Fee due Aug 4, 2027 Lapses if unpaid Feb 4, 2028 · High confidence | LSI Industries, Inc. | In force | Aug 4, 2027 | Feb 4, 2028 | High confidence |
10 of 10 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.