Maintenance fees coming due
Sharp NEC Display Solutions, Ltd.
3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 26, 2026. Unpaid by May 26, 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 9,039,187 | Illumination Optical System and a Projector Using the Same In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 · High confidence | Sharp NEC Display Solutions, Ltd. | In force | Nov 26, 2026 | May 26, 2027 | High confidence | |
| US 10,438,384 | Image Display System, Image Control Device, Display Device and Display Control Method In force Fee due Apr 8, 2027 Lapses if unpaid Oct 8, 2027 · High confidence | Sharp NEC Display Solutions, Ltd. | In force | Apr 8, 2027 | Oct 8, 2027 | High confidence | |
| US 9,198,313 | Display Device In force Fee due May 24, 2027 Lapses if unpaid Nov 24, 2027 · High confidence | Sharp NEC Display Solutions, Ltd. | In force | May 24, 2027 | Nov 24, 2027 | 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.