Maintenance fees coming due

Universal Lighting Technologies, Inc.

8 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 11, 2026. Unpaid by Jun 11, 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 10,320,283	Resonant Converter with Pre-Charging Circuit for Startup Protection Universal Lighting Technologies, Inc. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Jul 11, 2038 · High confidence	Universal Lighting Technologies, Inc.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Jul 11, 2038	High confidence
US 10,320,303	Frequency Controlled Dummy Load to Stabilize PFC Operation at Light Load Conditions Universal Lighting Technologies, Inc. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Sep 4, 2038 · High confidence	Universal Lighting Technologies, Inc.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Sep 4, 2038	High confidence
US 10,326,377	Circuit and Method for Indirect Primary-Side Load Current Sensing in an Isolated Power Supply Universal Lighting Technologies, Inc. In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends Jul 30, 2038 · High confidence	Universal Lighting Technologies, Inc.	In force	Dec 18, 2026	Jun 21, 2027	Term ends Jul 30, 2038	High confidence
US 11,729,883	LED Driver with Auxiliary Output and Low Standby Power Universal Lighting Technologies, Inc. In force Fee due Feb 15, 2027 Lapses if unpaid Aug 16, 2027 Term ends Dec 14, 2041 · High confidence	Universal Lighting Technologies, Inc.	In force	Feb 15, 2027	Aug 16, 2027	Term ends Dec 14, 2041	High confidence
US 11,737,189	Startup Current Control Method for Flyback Converter Universal Lighting Technologies In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 Term ends Feb 28, 2042 · High confidence	Universal Lighting Technologies	In force	Feb 22, 2027	Aug 23, 2027	Term ends Feb 28, 2042	High confidence
US 9,125,259	Constant Current Drive Circuit for Multi-Channel LED Lighting Universal Lighting Technologies, Inc. In force Fee due Mar 1, 2027 Lapses if unpaid Sep 1, 2027 Term ends Feb 26, 2034 · High confidence	Universal Lighting Technologies, Inc.	In force	Mar 1, 2027	Sep 1, 2027	Term ends Feb 26, 2034	High confidence
US 10,524,334	Electrically Isolated System and Method for Digital Regulation of a Programmable Lighting Device Universal Lighting Technologies, Inc. In force Fee due Jun 30, 2027 Lapses if unpaid Jan 3, 2028 Term ends Aug 29, 2038 · High confidence	Universal Lighting Technologies, Inc.	In force	Jun 30, 2027	Jan 3, 2028	Term ends Aug 29, 2038	High confidence
US 10,554,122	Low Loss Voltage Feedback Method for Power Factor Correction Circuits Universal Lighting Technologies, Inc. In force Fee due Aug 4, 2027 Lapses if unpaid Feb 4, 2028 Term ends Apr 17, 2039 · High confidence	Universal Lighting Technologies, Inc.	In force	Aug 4, 2027	Feb 4, 2028	Term ends Apr 17, 2039	High confidence

8 of 8 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.