Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 28, 2026. Unpaid by May 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 10,305,160 | Dual-Band Radio Frequency Devices Incorporating Metamaterial Type Structures and Related Methods In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 · High confidence | Alcatel-Lucent Canada, Inc. | In force | Nov 28, 2026 | May 28, 2027 | High confidence | |
| US 10,326,688 | Method and Apparatus for Instantiating a Path with the Minimum Number of Segments In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 · High confidence | Alcatel-Lucent Canada Inc. | In force | Dec 18, 2026 | Jun 21, 2027 | High confidence | |
| US 9,118,491 | Return of Multiple Results in Rule Generation In force Fee due Feb 25, 2027 Lapses if unpaid Aug 25, 2027 · High confidence | Alcatel-Lucent Canada, Inc. | In force | Feb 25, 2027 | Aug 25, 2027 | High confidence |
3 of 3 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.