Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Aug 2, 2027. Unpaid by Feb 2, 2028, 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 9,253,852 | LED Lighting Systems In force Fee due Aug 2, 2027 Lapses if unpaid Feb 2, 2028 · High confidence | Lumenpulse Group Inc. | In force | Aug 2, 2027 | Feb 2, 2028 | High confidence | |
| US 9,291,334 | Wall Wash Lighting System In force Fee due Sep 22, 2027 Lapses if unpaid Mar 22, 2028 · High confidence | Lumenpulse Group Inc. | In force | Sep 22, 2027 | Mar 22, 2028 | High confidence | |
| US 9,326,358 | Method and Apparatus for Commissioning a Lighting System In force Fee due Oct 26, 2027 Lapses if unpaid Apr 26, 2028 · High confidence | Lumenpulse Group Inc. | In force | Oct 26, 2027 | Apr 26, 2028 | High confidence |
3 of 3 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.