Maintenance fees coming due

Phison Electronics Corp.

138 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 4, 2026. Unpaid by Jun 4, 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 10,310,739	Memory Management Method, Memory Control Circuit Unit and Memory Storage Device Phison Electronics Corp. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Aug 30, 2037 · High confidence	Phison Electronics Corp.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Aug 30, 2037	High confidence
US 10,310,941	Data Encoding Method, Memory Control Circuit Unit and Memory Storage Device Phison Electronics Corp. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Dec 7, 2037 · High confidence	Phison Electronics Corp.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Dec 7, 2037	High confidence
US 11,669,394	Crossing Frames Encoding Management Method, Memory Storage Apparatus and Memory Control Circuit Unit Phison Electronics Corp. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Jul 15, 2041 · High confidence	Phison Electronics Corp.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Jul 15, 2041	High confidence
US 10,318,379	Decoding Method, Memory Storage Device and Memory Control Circuit Unit Phison Electronics Corp. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Oct 31, 2037 · High confidence	Phison Electronics Corp.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Oct 31, 2037	High confidence
US 9,058,256	Data Writing Method, Memory Controller and Memory Storage Apparatus Phison Electronics Corp. In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 Term ends Jan 28, 2034 · High confidence	Phison Electronics Corp.	In force	Dec 16, 2026	Jun 16, 2027	Term ends Jan 28, 2034	High confidence
US 9,058,296	Data Processing Method, Memory Storage Device and Memory Control Circuit Unit Phison Electronics Corp. In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 Term ends Jan 28, 2034 · High confidence	Phison Electronics Corp.	In force	Dec 16, 2026	Jun 16, 2027	Term ends Jan 28, 2034	High confidence
US 9,058,863	Reference Frequency Setting Method, Memory Controller and Memory Storage Apparatus Phison Electronics Corp. In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 Term ends Sep 24, 2033 · High confidence	Phison Electronics Corp.	In force	Dec 16, 2026	Jun 16, 2027	Term ends Sep 24, 2033	High confidence
US 9,059,789	Signal Processing Method, Connector, and Memory Storage Device Phison Electronics Corp. In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 Term ends Apr 16, 2033 · High confidence	Phison Electronics Corp.	In force	Dec 16, 2026	Jun 16, 2027	Term ends Apr 16, 2033	High confidence
US 10,324,787	Decoding Method, Memory Storage Device and Memory Control Circuit Unit Phison Electronics Corp. In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends Jan 5, 2038 · High confidence	Phison Electronics Corp.	In force	Dec 18, 2026	Jun 21, 2027	Term ends Jan 5, 2038	High confidence
US 10,324,894	Storage Device Management Method and System, and Memory Storage Device Thereof Phison Electronics Corp. In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends Jan 2, 2038 · High confidence	Phison Electronics Corp.	In force	Dec 18, 2026	Jun 21, 2027	Term ends Jan 2, 2038	High confidence
128 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 138 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.