Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Sep 29, 2027. Unpaid by Mar 29, 2028, 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 9,300,408 | Methods And Systems For Calibrating LTE Antenna Systems In force Fee due Sep 29, 2027 Lapses if unpaid Mar 29, 2028 · High confidence | Alcatel-Lucent Shanghai Bell Co., Ltd. | In force | Sep 29, 2027 | Mar 29, 2028 | High confidence | |
| US 11,968,431 | Multimedia Content Delivery with Reduced Delay In force Fee due Oct 23, 2027 Lapses if unpaid Apr 24, 2028 · High confidence | Alcatel-Lucent Espana S.A. | In force | Oct 23, 2027 | Apr 24, 2028 | High confidence | |
| US 9,325,043 | A Phase Shifting Circuit Including an Elongated Conductive Path Covered by a Metal Sheet Having Stand-Off Feet and Also Including a Slidable Tuning Member In force Fee due Oct 26, 2027 Lapses if unpaid Apr 26, 2028 · High confidence | Alcatel-Lucent Shanghai Bell Co., Ltd. | In force | Oct 26, 2027 | Apr 26, 2028 | 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.