Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jan 28, 2027. Unpaid by Jul 28, 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 9,093,997 | Slew Based Process and Bias Monitors and Related Methods In force Fee due Jan 28, 2027 Lapses if unpaid Jul 28, 2027 · High confidence | Mie Fujitsu Semiconductor Limited | In force | Jan 28, 2027 | Jul 28, 2027 | High confidence | |
| US 9,112,484 | Integrated Circuit Process and Bias Monitors and Related Methods In force Fee due Feb 18, 2027 Lapses if unpaid Aug 18, 2027 · High confidence | Mie Fujitsu Semiconductor Limited | In force | Feb 18, 2027 | Aug 18, 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.