Maintenance fees coming due

Semes Co., Ltd.

149 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 30, 2026. Unpaid by Jun 1, 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 11,664,212	Substrate Treating Apparatus and Liquid Supplying Method Semes Co., Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 19, 2041 · High confidence	Semes Co., Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 19, 2041	High confidence
US 10,319,566	Apparatus for Supplying Power and Apparatus for Treating Substrate Including the Same Semes Co., Ltd. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Apr 25, 2038 · High confidence	Semes Co., Ltd.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Apr 25, 2038	High confidence
US 11,673,075	Degassing Apparatus and Substrate Treating Apparatus Semes Co., Ltd. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Oct 19, 2041 · High confidence	Semes Co., Ltd.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Oct 19, 2041	High confidence
US 11,676,804	Apparatus and Method for Treating Substrate Semes Co., Ltd. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Jan 30, 2041 · High confidence	Semes Co., Ltd.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Jan 30, 2041	High confidence
US 11,679,447	Apparatus and Method for Treating Substrate Semes Co., Ltd. In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Mar 12, 2041 · High confidence	Semes Co., Ltd.	In force	Dec 20, 2026	Jun 21, 2027	Term ends Mar 12, 2041	High confidence
US 11,682,577	Spin Head, Apparatus and Method for Treating a Substrate Including the Spin Head Semes Co., Ltd. In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Mar 5, 2039 · High confidence	Semes Co., Ltd.	In force	Dec 20, 2026	Jun 21, 2027	Term ends Mar 5, 2039	High confidence
US 10,328,441	Nozzle Unit and Coating Apparatus Including the Same Semes Co., Ltd. In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Mar 24, 2037 · High confidence	Semes Co., Ltd.	In force	Dec 25, 2026	Jun 25, 2027	Term ends Mar 24, 2037	High confidence
US 11,684,955	Chemical Supply Unit, Substrate Processing Apparatus, and Substrate Processing Method Semes Co., Ltd. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Jul 25, 2041 · High confidence	Semes Co., Ltd.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Jul 25, 2041	High confidence
US 11,684,956	Apparatus for Treating Substrate Semes Co., Ltd. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Jul 22, 2041 · High confidence	Semes Co., Ltd.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Jul 22, 2041	High confidence
US 11,685,161	Ink Tank for Liquid Chemical Discharging Apparatus and Liquid Chemical Discharging Apparatus Including the Same Semes Co. Ltd. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Sep 30, 2041 · High confidence	Semes Co. Ltd.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Sep 30, 2041	High confidence
139 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 149 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.