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Maintenance fees coming due

Nuflare Technology, Inc.

141 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 19, 2026. Unpaid by May 19, 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.
PatentTitleHolderStatusFee dueLapses if unpaidExpiresConfidence
US 9,036,896Inspection System and Method for Inspecting Line Width And/Or Positional Errors of a Pattern
In force
Fee due Nov 19, 2026
Lapses if unpaid May 19, 2027
 · High confidence
Nuflare Technology, Inc.In forceNov 19, 2026May 19, 2027High confidence
US 11,664,191Electron Beam Irradiation Apparatus and Electron Beam Irradiation Method
In force
Fee due Nov 30, 2026
Lapses if unpaid Jun 1, 2027
 · High confidence
Nuflare Technology, Inc.In forceNov 30, 2026Jun 1, 2027High confidence
US 10,319,564Multi Charged Particle Beam Writing Apparatus, and Multi Charged Particle Beam Writing Method
In force
Fee due Dec 11, 2026
Lapses if unpaid Jun 11, 2027
 · High confidence
Nuflare Technology, Inc.In forceDec 11, 2026Jun 11, 2027High confidence
US 10,325,755Charged Particle Beam Lithography Apparatus and Charged Particle Beam Lithography Method
In force
Fee due Dec 18, 2026
Lapses if unpaid Jun 21, 2027
 · High confidence
Nuflare Technology, Inc.In forceDec 18, 2026Jun 21, 2027High confidence
US 9,063,440Charged Particle Beam Writing Apparatus and Charged Particle Beam Writing Method
In force
Fee due Dec 23, 2026
Lapses if unpaid Jun 23, 2027
 · High confidence
Nuflare Technology, Inc.In forceDec 23, 2026Jun 23, 2027High confidence
US 11,688,058Pattern Inspection Apparatus and Pattern Inspection Method
In force
Fee due Dec 27, 2026
Lapses if unpaid Jun 28, 2027
 · High confidence
Nuflare Technology, Inc.In forceDec 27, 2026Jun 28, 2027High confidence
US 10,340,120Blanking Aperture Array, Method for Manufacturing Blanking Aperture Array, and Multi-Charged Particle Beam Writing Apparatus
In force
Fee due Jan 2, 2027
Lapses if unpaid Jul 2, 2027
 · High confidence
Nuflare Technology, Inc.In forceJan 2, 2027Jul 2, 2027High confidence
US 11,694,868Multi-Beam Image Acquisition Apparatus and Multi-Beam Image Acquisition Method
In force
Fee due Jan 4, 2027
Lapses if unpaid Jul 6, 2027
 · High confidence
Nuflare Technology, Inc.In forceJan 4, 2027Jul 6, 2027High confidence
US 9,076,564Multi Charged Particle Beam Writing Apparatus and Multi Charged Particle Beam Writing Method
In force
Fee due Jan 7, 2027
Lapses if unpaid Jul 7, 2027
 · High confidence
NuFlare Technology, Inc.In forceJan 7, 2027Jul 7, 2027High confidence
US 10,345,724Position Correction Method of Stage Mechanism and Charged Particle Beam Lithography Apparatus
In force
Fee due Jan 9, 2027
Lapses if unpaid Jul 9, 2027
 · High confidence
Nuflare Technology, Inc.In forceJan 9, 2027Jul 9, 2027High confidence
131 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro
10 of 141 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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