Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 13, 2026. Unpaid by Jun 14, 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 11,676,377 | Enhanced Vision Systems and Methods In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 · High confidence | Eotech, LLC | In force | Dec 13, 2026 | Jun 14, 2027 | High confidence | |
| US 11,709,333 | Temperature Stabilized Holographic Sight In force Fee due Jan 25, 2027 Lapses if unpaid Jul 26, 2027 · High confidence | Eotech, LLC | In force | Jan 25, 2027 | Jul 26, 2027 | High confidence |
2 of 2 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.