The Patent Finder

Maintenance fees coming due

Stratasys, Inc.

131 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 9,034,236Substrate-Based Additive Fabrication Process
In force
Fee due Nov 19, 2026
Lapses if unpaid May 19, 2027
 · High confidence
Stratasys Inc.In forceNov 19, 2026May 19, 2027High confidence
US 11,667,787Additive Manufacturing Using Materials That Form a Weak Gel
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Stratasys Ltd.In forceDec 6, 2026Jun 7, 2027High confidence
US 9,050,753Liquefier Assembly Having Inlet Liner for Use in Additive Manufacturing System
In force
Fee due Dec 9, 2026
Lapses if unpaid Jun 9, 2027
 · High confidence
Stratasys, Inc.In forceDec 9, 2026Jun 9, 2027High confidence
US 9,050,788Universal Adapter for Consumable Assembly Used with Additive Manufacturing System
In force
Fee due Dec 9, 2026
Lapses if unpaid Jun 9, 2027
 · High confidence
Stratasys, Inc.In forceDec 9, 2026Jun 9, 2027High confidence
US 10,328,634Light Engines for Photo-Curing of Liquid Polymers to Form Three-Dimensional Objects
In force
Fee due Dec 25, 2026
Lapses if unpaid Jun 25, 2027
 · High confidence
Stratasys, Inc.In forceDec 25, 2026Jun 25, 2027High confidence
US 11,691,351High Frequency Adhesive Bonding
In force
Fee due Jan 4, 2027
Lapses if unpaid Jul 6, 2027
 · High confidence
Stratasys, Inc.In forceJan 4, 2027Jul 6, 2027High confidence
US 9,073,263Spool Assembly for Additive Manufacturing System, and Methods of Manufacture and Use Thereof
In force
Fee due Jan 7, 2027
Lapses if unpaid Jul 7, 2027
 · High confidence
Stratasys, Inc.In forceJan 7, 2027Jul 7, 2027High confidence
US 11,704,858Method and System for Diffusing Color Error into Additive Manufactured Objects
In force
Fee due Jan 18, 2027
Lapses if unpaid Jul 19, 2027
 · High confidence
Stratasys Ltd.In forceJan 18, 2027Jul 19, 2027High confidence
US 10,357,919Method and Apparatus for Photo-Curing with Self-Lubricating Substratum for the Formation of Three-Dimensional Objects
In force
Fee due Jan 23, 2027
Lapses if unpaid Jul 23, 2027
 · High confidence
Stratasys, Inc.In forceJan 23, 2027Jul 23, 2027High confidence
US 11,707,891Method for Regulating Temperature at a Resin Interface in an Additive Manufacturing Process
In force
Fee due Jan 25, 2027
Lapses if unpaid Jul 26, 2027
 · High confidence
Stratasys, Inc.In forceJan 25, 2027Jul 26, 2027High confidence
121 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro
10 of 131 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 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited