Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jan 21, 2027. Unpaid by Jul 21, 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 9,089,025 | 1-WIRE Communication Protocol and Interface Circuit for High Voltage Applications In force Fee due Jan 21, 2027 Lapses if unpaid Jul 21, 2027 · High confidence | Ixys Corporation | In force | Jan 21, 2027 | Jul 21, 2027 | High confidence | |
| US 11,736,770 | Automatic Determination and Retrieval of a Favorite Channel In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 · High confidence | Ixys CH GmbH | In force | Feb 22, 2027 | Aug 23, 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.