The Patent Finder

Maintenance fees coming due

Plug Power Inc.

9 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 9, 2026. Unpaid by Jun 9, 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 9,054,385Passive Power Management and Battery Charging for a Hybrid Fuel Cell / Battery System
In force
Fee due Dec 9, 2026
Lapses if unpaid Jun 9, 2027
 · High confidence
Plug Power Autonomous Technologies, Inc.In forceDec 9, 2026Jun 9, 2027High confidence
US 11,679,339High-Output Atmospheric Water Generator
In force
Fee due Dec 20, 2026
Lapses if unpaid Jun 21, 2027
 · High confidence
Plug Power Inc.In forceDec 20, 2026Jun 21, 2027High confidence
US 11,713,848Support Structure for Cryogenic Transport Trailer
In force
Fee due Feb 1, 2027
Lapses if unpaid Aug 2, 2027
 · High confidence
Plug Power Inc.In forceFeb 1, 2027Aug 2, 2027High confidence
US 10,381,658Fuel Cell Stack
In force
Fee due Feb 13, 2027
Lapses if unpaid Aug 13, 2027
 · High confidence
Plug Power Inc.In forceFeb 13, 2027Aug 13, 2027High confidence
US 10,418,648Method for Producing Bipolar Plates
In force
Fee due Mar 17, 2027
Lapses if unpaid Sep 17, 2027
 · High confidence
Plug Power Autonomous Technologies, Inc.In forceMar 17, 2027Sep 17, 2027High confidence
US 10,547,061Fuel Cell Stack
In force
Fee due Jul 28, 2027
Lapses if unpaid Jan 28, 2028
 · High confidence
Plug Power Inc.In forceJul 28, 2027Jan 28, 2028High confidence
US 11,883,779Method and System for Electrochemically Compressing Gaseous Hydrogen
In force
Fee due Jul 30, 2027
Lapses if unpaid Jan 31, 2028
 · High confidence
Plug Power Inc.In forceJul 30, 2027Jan 31, 2028High confidence
US 10,615,445Fuel Cell Stack
In force
Fee due Oct 7, 2027
Lapses if unpaid Apr 7, 2028
 · High confidence
Plug Power Inc.In forceOct 7, 2027Apr 7, 2028High confidence
US 11,955,675Integrated Circuit for Diagnostics
In force
Fee due Oct 9, 2027
Lapses if unpaid Apr 10, 2028
 · High confidence
Plug Power Inc.In forceOct 9, 2027Apr 10, 2028High confidence
9 of 9 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
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