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Maintenance fees coming due

DH Technologies Development Pte. Ltd.

68 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 4, 2026. Unpaid by Jun 4, 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 10,309,930Dynamic Orthogonal Analysis Method
In force
Fee due Dec 4, 2026
Lapses if unpaid Jun 4, 2027
 · High confidence
DH Technologies Development Pte. Ltd.In forceDec 4, 2026Jun 4, 2027High confidence
US 11,676,806Open Port Probe Interfaces
In force
Fee due Dec 13, 2026
Lapses if unpaid Jun 14, 2027
 · High confidence
DH Technologies Development Pte. Ltd.In forceDec 13, 2026Jun 14, 2027High confidence
US 9,063,047System and Method for Extracting a Sample from a Surface
In force
Fee due Dec 23, 2026
Lapses if unpaid Jun 23, 2027
 · High confidence
DH Technologies Development Pte. Ltd.In forceDec 23, 2026Jun 23, 2027High confidence
US 10,345,261Differential Mobility Spectrometry Method
In force
Fee due Jan 9, 2027
Lapses if unpaid Jul 9, 2027
 · High confidence
DH Technologies Development Pte. Ltd.In forceJan 9, 2027Jul 9, 2027High confidence
US 9,097,724Systems and Methods for Sequencing Peptides by Mass Spectrometry
In force
Fee due Feb 4, 2027
Lapses if unpaid Aug 4, 2027
 · High confidence
DH Technologies Development Pte. Ltd.In forceFeb 4, 2027Aug 4, 2027High confidence
US 10,381,213Mass-Selective Axial Ejection Linear Ion Trap
In force
Fee due Feb 13, 2027
Lapses if unpaid Aug 13, 2027
 · High confidence
DH Technologies Development Pte. Ltd.In forceFeb 13, 2027Aug 13, 2027High confidence
US 11,728,148Method for Top Down Proteomics Using ExD and PTR
In force
Fee due Feb 15, 2027
Lapses if unpaid Aug 16, 2027
 · Medium confidence
DH Technologies Development Pte. Ltd.In forceFeb 15, 2027Aug 16, 2027Medium confidence
US 11,728,152Predicting Molecular Collision Cross-Section Using Differential Mobility Spectrometry
In force
Fee due Feb 15, 2027
Lapses if unpaid Aug 16, 2027
 · Low confidence
DH Technologies Development Pte. Ltd.In forceFeb 15, 2027Aug 16, 2027Low confidence
US 9,117,638Intelligent Background Data Acquisition and Subtraction
In force
Fee due Feb 25, 2027
Lapses if unpaid Aug 25, 2027
 · High confidence
DH Technologies Development Pte. Ltd.In forceFeb 25, 2027Aug 25, 2027High confidence
US 10,395,908Method for Converting Mass Spectral Libraries into Accurate Mass Spectral Libraries
In force
Fee due Feb 27, 2027
Lapses if unpaid Aug 27, 2027
 · High confidence
DH Technologies Development Pte. Ltd.In forceFeb 27, 2027Aug 27, 2027High confidence
58 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro
10 of 68 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.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited