Maintenance fees coming due

Winbond Electronics Corp.

274 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 10,304,543	Semiconductor Memory Device for Improving High Temperature Data Retention Winbond Electronics Corp. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Aug 2, 2037 · High confidence	Winbond Electronics Corp.	In force	Nov 28, 2026	May 28, 2027	Term ends Aug 2, 2037	High confidence
US 10,305,033	Resistive Random Access Memory Winbond Electronics Corp. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Mar 12, 2036 · High confidence	Winbond Electronics Corp.	In force	Nov 28, 2026	May 28, 2027	Term ends Mar 12, 2036	High confidence
US 10,305,470	Circuit for Recovering from Power Loss and Electronic Device Using the Same Circuit and Method Thereof Winbond Electronics Corp. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Jul 9, 2038 · High confidence	Winbond Electronics Corp.	In force	Nov 28, 2026	May 28, 2027	Term ends Jul 9, 2038	High confidence
US 10,305,482	Voltage Level Shifter Winbond Electronics Corp. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Jul 17, 2037 · High confidence	Winbond Electronics Corp.	In force	Nov 28, 2026	May 28, 2027	Term ends Jul 17, 2037	High confidence
US 11,664,435	Dynamic Random Access Memory and Method of Fabricating the Same Winbond Electronics Corp. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Oct 16, 2041 · High confidence	Winbond Electronics Corp.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Oct 16, 2041	High confidence
US 11,664,438	Semiconductor Structure and Method for Forming the Same Winbond Electronics Corp. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Nov 11, 2039 · High confidence	Winbond Electronics Corp.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Nov 11, 2039	High confidence
US 11,665,879	Method of Manufacturing Dynamic Random-Access Memory Winbond Electronics Corp. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 9, 2040 · High confidence	Winbond Electronics Corp.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 9, 2040	High confidence
US 11,665,889	Semiconductor Memory Structure Winbond Electronics Corp. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Apr 25, 2040 · High confidence	Winbond Electronics Corp.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Apr 25, 2040	High confidence
US 11,665,916	Memory Devices and Methods for Forming the Same Winbond Electronics Corp. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Feb 12, 2040 · High confidence	Winbond Electronics Corp.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Feb 12, 2040	High confidence
US 10,310,011	Turret Handler for Testing Electronic Elements with Leads Winbond Electronics Corp. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Oct 6, 2037 · High confidence	Winbond Electronics Corp.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Oct 6, 2037	High confidence
264 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 274 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.