Maintenance fees coming due

Aleddra Inc.

19 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 9, 2026. Unpaid by Jun 9, 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 9,055,642	Multi-Purpose Rechargeable LED Lighting Device Aleddra Inc. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Nov 29, 2033 · High confidence	Aleddra Inc.	In force	Dec 9, 2026	Jun 9, 2027	Term ends Nov 29, 2033	High confidence
US 9,089,031	Add-On Smart Controller for LED Lighting Device Aleddra Inc. In force Fee due Jan 21, 2027 Lapses if unpaid Jul 21, 2027 Term ends Apr 12, 2034 · High confidence	Aleddra Inc.	In force	Jan 21, 2027	Jul 21, 2027	Term ends Apr 12, 2034	High confidence
US 9,131,581	Solid-State Lighting Control with Dimmability and Color Temperature Tunability Aleddra Inc. In force Fee due Mar 8, 2027 Lapses if unpaid Sep 8, 2027 Term ends May 6, 2034 · High confidence	Aleddra Inc.	In force	Mar 8, 2027	Sep 8, 2027	Term ends May 6, 2034	High confidence
US 9,163,818	Linear Solid-State Lighting with Degenerate Voltage Sensing Free of Fire and Shock Hazards Aleddra Inc. In force Fee due Apr 20, 2027 Lapses if unpaid Oct 20, 2027 Term ends Jan 9, 2033 · High confidence	Aleddra Inc.	In force	Apr 20, 2027	Oct 20, 2027	Term ends Jan 9, 2033	High confidence
US 11,800,616	Solid-State Lighting With Data Communication Controls Aleddra Inc. In force Fee due Apr 24, 2027 Lapses if unpaid Oct 25, 2027 Term ends Jun 15, 2032 · High confidence	Aleddra Inc.	In force	Apr 24, 2027	Oct 25, 2027	Term ends Jun 15, 2032	High confidence
US 10,485,065	Solid-State Lighting with a Luminaire Control Gear Aleddra Inc. In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 Term ends Jun 15, 2032 · High confidence	Aleddra Inc.	In force	May 19, 2027	Nov 19, 2027	Term ends Jun 15, 2032	High confidence
US 10,485,073	Solid-State Lighting With Dual Mode Operations Aleddra Inc. In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 Term ends Jun 15, 2032 · High confidence	Aleddra Inc.	In force	May 19, 2027	Nov 19, 2027	Term ends Jun 15, 2032	High confidence
US 9,194,542	Retractable End-Cap For LED Tube Aleddra Inc. In force Fee due May 24, 2027 Lapses if unpaid Nov 24, 2027 Term ends Dec 19, 2033 · High confidence	Aleddra Inc.	In force	May 24, 2027	Nov 24, 2027	Term ends Dec 19, 2033	High confidence
US 10,492,265	Solid-State Lighting with a Control Gear Cascaded by a Luminaire Aleddra Inc. In force Fee due May 26, 2027 Lapses if unpaid Nov 26, 2027 Term ends Jun 15, 2032 · High confidence	Aleddra Inc.	In force	May 26, 2027	Nov 26, 2027	Term ends Jun 15, 2032	High confidence
US 11,846,396	Linear Solid-State Lighting With Bidirectional Circuits Aleddra Inc. In force Fee due Jun 19, 2027 Lapses if unpaid Dec 20, 2027 Term ends Nov 6, 2032 · High confidence	Aleddra Inc.	In force	Jun 19, 2027	Dec 20, 2027	Term ends Nov 6, 2032	High confidence
9 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 19 patents shown. Soonest fee due date first, then patent number.

Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.

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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.