Maintenance fees coming due

Sysmex Corporation

166 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 16, 2026. Unpaid by May 17, 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 11,651,859	Method for Predicting Severity and Prognosis of Cardiovascular Disease National University Corporation Nagoya University and Sysmex Corporation In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 Term ends Mar 16, 2042 · High confidence	National University Corporation Nagoya University and Sysmex Corporation	In force	Nov 16, 2026	May 17, 2027	Term ends Mar 16, 2042	High confidence
US 9,046,505	Sample Preparation Apparatus Sysmex Corporation In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Jan 20, 2031 · High confidence	Sysmex Corporation	In force	Dec 2, 2026	Jun 2, 2027	Term ends Jan 20, 2031	High confidence
US 9,046,516	Immunoassay Method, Reagent Kit for Detecting Alkaline Phosphatase, and Reagent Kit for Immunoassay Sysmex Corporation In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Apr 3, 2028 · High confidence	Sysmex Corporation	In force	Dec 2, 2026	Jun 2, 2027	Term ends Apr 3, 2028	High confidence
US 10,309,877	Method for Analyzing Atypical Cells in Urine, Urine Analyzer, and Method for Analyzing Atypical Cells in Body Fluid Sysmex Corporation In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Dec 6, 2029 · High confidence	Sysmex Corporation	In force	Dec 4, 2026	Jun 4, 2027	Term ends Dec 6, 2029	High confidence
US 11,666,920	Method of Cleaning Aspiration Tube and Specimen Measuring Apparatus Sysmex Corporation In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Apr 5, 2041 · High confidence	Sysmex Corporation	In force	Dec 6, 2026	Jun 7, 2027	Term ends Apr 5, 2041	High confidence
US 11,668,701	Urine Sample Testing Apparatus and Apparatus for Processing Measurement Results of Urine Sample Sysmex Corporation In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Jul 29, 2031 · High confidence	Sysmex Corporation	In force	Dec 6, 2026	Jun 7, 2027	Term ends Jul 29, 2031	High confidence
US 10,314,301	Method of Preserving Cells Sysmex Corporation In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Jun 29, 2036 · High confidence	Sysmex Corporation	In force	Dec 11, 2026	Jun 11, 2027	Term ends Jun 29, 2036	High confidence
US 11,674,936	Thermal History Detection Label and Reagent Kit Sysmex Corporation In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Jun 26, 2041 · High confidence	Sysmex Corporation	In force	Dec 13, 2026	Jun 14, 2027	Term ends Jun 26, 2041	High confidence
US 11,675,341	Method and System for Performing Quality Control on a Diagnostic Analyzer Sysmex Corporation In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Mar 31, 2036 · High confidence	Sysmex Corporation	In force	Dec 13, 2026	Jun 14, 2027	Term ends Mar 31, 2036	High confidence
US 11,680,951	Sample Analyzer and Sample Analyzing Method Sysmex Corporation In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Feb 1, 2041 · High confidence	Sysmex Corporation	In force	Dec 20, 2026	Jun 21, 2027	Term ends Feb 1, 2041	High confidence
156 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 166 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.