Maintenance fees coming due

Hynix Semiconductor Inc.

18 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 30, 2026. Unpaid by Jun 30, 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 9,070,421	Page Buffer Circuit and Nonvolatile Memory Device Having the Same Hynix Semiconductor Inc. In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 Term ends Apr 12, 2034 · High confidence	Hynix Semiconductor Inc.	In force	Dec 30, 2026	Jun 30, 2027	Term ends Apr 12, 2034	High confidence
US 9,070,478	Variable Resistive Memory Device and Method of Fabricating the Same Hynix Semiconductor Inc. and Industry-Academic Cooperation Foundation, Yonsei University In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 Term ends May 30, 2032 · High confidence	Hynix Semiconductor Inc. and Industry-Academic Cooperation Foundation, Yonsei University	In force	Dec 30, 2026	Jun 30, 2027	Term ends May 30, 2032	High confidence
US 9,082,487	Program Method of Nonvolatile Memory Device for Having Dense Threshold Voltage Distribution by Controlling Voltage of Bit Line According to Threshold Voltage of Memroy Cell. Hynix Semiconductor Inc. In force Fee due Jan 14, 2027 Lapses if unpaid Jul 14, 2027 Term ends Dec 25, 2033 · High confidence	Hynix Semiconductor Inc.	In force	Jan 14, 2027	Jul 14, 2027	Term ends Dec 25, 2033	High confidence
US 9,082,634	Stack Package and Method for Manufacturing the Same Hynix Semiconductor Inc. In force Fee due Jan 14, 2027 Lapses if unpaid Jul 14, 2027 Term ends Aug 7, 2032 · High confidence	Hynix Semiconductor Inc.	In force	Jan 14, 2027	Jul 14, 2027	Term ends Aug 7, 2032	High confidence
US 9,087,819	Semiconductor Package and Stack-Type Semiconductor Package Having the Same Hynix Semiconductor Inc. In force Fee due Jan 21, 2027 Lapses if unpaid Jul 21, 2027 Term ends Aug 12, 2032 · High confidence	Hynix Semiconductor Inc.	In force	Jan 21, 2027	Jul 21, 2027	Term ends Aug 12, 2032	High confidence
US 9,105,758	Semiconductor Device Including a Capacitor Hynix Semiconductor Inc. In force Fee due Feb 11, 2027 Lapses if unpaid Aug 11, 2027 Term ends Jan 7, 2034 · High confidence	Hynix Semiconductor Inc.	In force	Feb 11, 2027	Aug 11, 2027	Term ends Jan 7, 2034	High confidence
US 9,134,183	Temperature Sensor Hynix Semiconductor Inc. In force Fee due Mar 15, 2027 Lapses if unpaid Sep 15, 2027 Term ends Aug 21, 2033 · High confidence	Hynix Semiconductor Inc.	In force	Mar 15, 2027	Sep 15, 2027	Term ends Aug 21, 2033	High confidence
US 9,165,930	Semiconductor Device and Method for Fabricating the Same Hynix Semiconductor Inc. In force Fee due Apr 20, 2027 Lapses if unpaid Oct 20, 2027 Term ends Jun 16, 2032 · High confidence	Hynix Semiconductor Inc.	In force	Apr 20, 2027	Oct 20, 2027	Term ends Jun 16, 2032	High confidence
US 9,170,302	Semiconductor Apparatus and Test Method Thereof Hynix Semiconductor Inc. In force Fee due Apr 27, 2027 Lapses if unpaid Oct 27, 2027 Term ends May 3, 2034 · High confidence	Hynix Semiconductor Inc.	In force	Apr 27, 2027	Oct 27, 2027	Term ends May 3, 2034	High confidence
US 9,196,618	Semiconductor Device and Method of Manufacturing the Same Hynix Semiconductor Inc. In force Fee due May 24, 2027 Lapses if unpaid Nov 24, 2027 Term ends Nov 10, 2033 · High confidence	Hynix Semiconductor Inc.	In force	May 24, 2027	Nov 24, 2027	Term ends Nov 10, 2033	High confidence
8 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 18 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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