Maintenance fees coming due

Toto Ltd.

122 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 26, 2026. Unpaid by May 26, 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 9,042,078	Electrostatic Chuck Toto Ltd. In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Sep 27, 2032 · High confidence	Toto Ltd.	In force	Nov 26, 2026	May 26, 2027	Term ends Sep 27, 2032	High confidence
US 10,299,640	Sanitary Washing Apparatus Toto Ltd. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Aug 9, 2037 · High confidence	Toto Ltd.	In force	Nov 28, 2026	May 28, 2027	Term ends Aug 9, 2037	High confidence
US 10,301,809	Flush Toilet Toto Ltd. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Oct 18, 2035 · High confidence	Toto Ltd.	In force	Nov 28, 2026	May 28, 2027	Term ends Oct 18, 2035	High confidence
US 10,309,088	Urinal Apparatus and Urinal Unit Toto, Ltd. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Jan 11, 2036 · High confidence	Toto, Ltd.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Jan 11, 2036	High confidence
US 11,668,084	Sanitary Washing Device Toto Ltd. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Jul 15, 2041 · High confidence	Toto Ltd.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Jul 15, 2041	High confidence
US 9,053,902	Charged-Particle Radiation Apparatus Toto Ltd. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Nov 12, 2032 · High confidence	Toto Ltd.	In force	Dec 9, 2026	Jun 9, 2027	Term ends Nov 12, 2032	High confidence
US 10,316,500	Touch Detection Device for Water Handling Equipment, and Faucet Apparatus Including the Same Toto Ltd. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Sep 25, 2037 · High confidence	Toto Ltd.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Sep 25, 2037	High confidence
US 10,323,400	Wash-Out Type Toilet Toto Ltd. In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends Jan 9, 2038 · High confidence	Toto Ltd.	In force	Dec 18, 2026	Jun 21, 2027	Term ends Jan 9, 2038	High confidence
US 9,062,444	Flush Toilet Toto Ltd. In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 Term ends Jun 19, 2033 · High confidence	Toto Ltd.	In force	Dec 23, 2026	Jun 23, 2027	Term ends Jun 19, 2033	High confidence
US 10,337,183	Flush Toilet Toto Ltd. In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Jan 26, 2037 · High confidence	Toto Ltd.	In force	Jan 2, 2027	Jul 2, 2027	Term ends Jan 26, 2037	High confidence
112 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 122 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.