Maintenance fees coming due
1 maintenance fee comes due on May 19, 2027, in the 12 months from Nov 14, 2026. Unpaid by Nov 19, 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 10,481,334 | Fiber to Chip Optical Coupler In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 · High confidence | Teramount Ltd. | In force | May 19, 2027 | Nov 19, 2027 | High confidence |
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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.