Maintenance fees coming due

NEC Platforms, Ltd.

67 maintenance fees come due in the 12 months from Nov 14, 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 10,305,852	Telephone System, Exchange, Telephone Exchanging Method, and Telephone Exchanging Program NEC Platforms, Ltd. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Sep 30, 2036 · High confidence	NEC Platforms, Ltd.	In force	Nov 28, 2026	May 28, 2027	Term ends Sep 30, 2036	High confidence
US 11,662,153	Protective Structure NEC Platforms Ltd., In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Aug 6, 2039 · High confidence	NEC Platforms Ltd.,	In force	Nov 30, 2026	Jun 1, 2027	Term ends Aug 6, 2039	High confidence
US 9,049,342	Electronic Conference System, Band Management System, and Storage Medium Having Band Management Program Stored Therein NEC Platforms, Ltd. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Feb 14, 2033 · High confidence	NEC Platforms, Ltd.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Feb 14, 2033	High confidence
US 10,320,057	Antenna Device, Wireless Communication Device, and Band Adjustment Method NEC Platforms, Ltd. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Jul 25, 2035 · High confidence	NEC Platforms, Ltd.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Jul 25, 2035	High confidence
US 10,320,307	Ac Input/Dc Output Power Supply and Control Method Thereof NEC Platforms, Ltd. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Aug 1, 2036 · High confidence	NEC Platforms, Ltd.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Aug 1, 2036	High confidence
US 11,683,909	Cold Plate, Device, and Connection Tube for Cold Plate NEC Platforms, Ltd. In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends May 31, 2040 · High confidence	NEC Platforms, Ltd.	In force	Dec 20, 2026	Jun 21, 2027	Term ends May 31, 2040	High confidence
US 11,687,425	Fault Tolerant System, Server, and Operation Method of Fault Tolerant System NEC Platforms, Ltd. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Apr 30, 2040 · High confidence	NEC Platforms, Ltd.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Apr 30, 2040	High confidence
US 11,689,295	Reception Apparatus and Non-Transitory Computer Readable Medium KDDI Corporation and NEC Platforms, Ltd. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Sep 8, 2040 · High confidence	KDDI Corporation and NEC Platforms, Ltd.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Sep 8, 2040	High confidence
US 9,074,667	Gear Drive Mechanism and Library Device NEC Platforms, Ltd. In force Fee due Jan 7, 2027 Lapses if unpaid Jul 7, 2027 Term ends Jun 24, 2031 · High confidence	NEC Platforms, Ltd.	In force	Jan 7, 2027	Jul 7, 2027	Term ends Jun 24, 2031	High confidence
US 10,354,109	Stationary Scanner Device, Stationary Scanner System, and Handheld Scanner Holding Structure NEC Platforms, Ltd. In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 Term ends Apr 28, 2035 · High confidence	NEC Platforms, Ltd.	In force	Jan 16, 2027	Jul 16, 2027	Term ends Apr 28, 2035	High confidence
57 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 67 patents shown. Soonest fee due date first, then patent number.

Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.

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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.