Maintenance fees coming due
Chartered Semiconductor Manufacturing LTD
2 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Mar 29, 2027. Unpaid by Sep 29, 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 9,147,654 | Integrated Circuit System Employing Alternating Conductive Layers In force Fee due Mar 29, 2027 Lapses if unpaid Sep 29, 2027 · High confidence | Chartered Semiconductor Manufacturing Ltd. | In force | Mar 29, 2027 | Sep 29, 2027 | High confidence | |
| US 9,165,920 | Tunable Protection System for Integrated Circuits In force Fee due Apr 20, 2027 Lapses if unpaid Oct 20, 2027 · High confidence | Chartered Semiconductor Manufacturing Ltd. | In force | Apr 20, 2027 | Oct 20, 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.