Maintenance fees coming due

Lapis Semiconductor Co., Ltd.

136 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 21, 2026. Unpaid by May 21, 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 10,297,198	Display Driver and Method for Driving Display Device Lapis Semiconductor Co., Ltd. In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Nov 10, 2037 · High confidence	Lapis Semiconductor Co., Ltd.	In force	Nov 21, 2026	May 21, 2027	Term ends Nov 10, 2037	High confidence
US 10,298,120	Charge Pump Circuit and Boosting Circuit Lapis Semiconductor Co., Ltd. In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Dec 11, 2037 · High confidence	Lapis Semiconductor Co., Ltd.	In force	Nov 21, 2026	May 21, 2027	Term ends Dec 11, 2037	High confidence
US 9,041,113	Semiconductor Integrated Device Lapis Semiconductor Co., Ltd. In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends May 9, 2033 · High confidence	Lapis Semiconductor Co., Ltd.	In force	Nov 26, 2026	May 26, 2027	Term ends May 9, 2033	High confidence
US 9,042,179	Method for Writing in and Reading Data from a Semiconductor Storage Device and Semiconductor Storage Device Lapis Semiconductor Co., Ltd. In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Jul 8, 2032 · High confidence	Lapis Semiconductor Co., Ltd.	In force	Nov 26, 2026	May 26, 2027	Term ends Jul 8, 2032	High confidence
US 11,664,314	Semiconductor Package and Method for Manufacturing Semiconductor Package Lapis Semiconductor Co., Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Mar 12, 2040 · High confidence	Lapis Semiconductor Co., Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Mar 12, 2040	High confidence
US 10,310,579	Semiconductor Integrated Circuit and Power Supply Switching Method Lapis Semiconductor Co., Ltd. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Nov 22, 2037 · High confidence	Lapis Semiconductor Co., Ltd.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Nov 22, 2037	High confidence
US 10,310,939	Semiconductor Memory System and Data Writing Method Lapis Semiconductor Co., Ltd. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends May 27, 2036 · High confidence	Lapis Semiconductor Co., Ltd.	In force	Dec 4, 2026	Jun 4, 2027	Term ends May 27, 2036	High confidence
US 10,312,284	Semiconductor Device and Semiconductor Device Manufacturing Method LAPIS Semiconductor Co., Ltd. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Sep 22, 2036 · High confidence	LAPIS Semiconductor Co., Ltd.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Sep 22, 2036	High confidence
US 11,670,216	Digital-To-Analog Conversion Circuit, Data Driver, and Display Device Lapis Semiconductor Co., Ltd. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Jul 19, 2041 · High confidence	Lapis Semiconductor Co., Ltd.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Jul 19, 2041	High confidence
US 10,319,407	Signal Conversion Device, Processing Device, Communication System, and Signal Conversion Method Lapis Semiconductor Co., Ltd. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Jun 26, 2037 · High confidence	Lapis Semiconductor Co., Ltd.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Jun 26, 2037	High confidence
126 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 136 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.