The Patent Finder

Maintenance fees coming due

Mesoblast, Inc.

11 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 27, 2026. Unpaid by Jun 28, 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 11,685,899Cell Culture Method for Mesenchymal Stem Cells
In force
Fee due Dec 27, 2026
Lapses if unpaid Jun 28, 2027
 · High confidence
Mesoblast International SàrlIn forceDec 27, 2026Jun 28, 2027High confidence
US 11,712,452Method for Treating Heart Failure
In force
Fee due Feb 1, 2027
Lapses if unpaid Aug 2, 2027
 · High confidence
Mesoblast International SARLIn forceFeb 1, 2027Aug 2, 2027High confidence
US 10,400,218Improved Stem Cell Composition
In force
Fee due Mar 3, 2027
Lapses if unpaid Sep 3, 2027
 · High confidence
Mesoblast International SARLIn forceMar 3, 2027Sep 3, 2027High confidence
US 11,795,435Potency Assay
In force
Fee due Apr 24, 2027
Lapses if unpaid Oct 25, 2027
 · High confidence
Mesoblast International SARLIn forceApr 24, 2027Oct 25, 2027High confidence
US 10,456,451Protease-Resistant Mutants of Stromal Cell Derived FACTOR-1 in the Repair of Tissue Damage
In force
Fee due Apr 29, 2027
Lapses if unpaid Oct 29, 2027
 · High confidence
Mesoblast International SàrlIn forceApr 29, 2027Oct 29, 2027High confidence
US 10,550,369Enhanced MSC Preparation
In force
Fee due Aug 4, 2027
Lapses if unpaid Feb 4, 2028
 · Medium confidence
Mesoblast International SARLIn forceAug 4, 2027Feb 4, 2028Medium confidence
US 9,265,796Methods of Treating or Preventing Rheumatic Disease
In force
Fee due Aug 23, 2027
Lapses if unpaid Feb 23, 2028
 · High confidence
Mesoblast, Inc.In forceAug 23, 2027Feb 23, 2028High confidence
US 10,596,199Methods of Treating or Preventing Rheumatic Disease
In force
Fee due Sep 24, 2027
Lapses if unpaid Mar 24, 2028
 · High confidence
Mesoblast, Inc.In forceSep 24, 2027Mar 24, 2028High confidence
US 9,301,978Method of Treating Graft Versus Host Disease
In force
Fee due Oct 5, 2027
Lapses if unpaid Apr 5, 2028
 · High confidence
Mesoblast, Inc.In forceOct 5, 2027Apr 5, 2028High confidence
US 9,308,277Protease-Resistant Mutants of Stromal Cell Derived FACTOR-1 in the Repair of Tissue Damage
In force
Fee due Oct 12, 2027
Lapses if unpaid Apr 12, 2028
 · High confidence
Mesoblast International SàrlIn forceOct 12, 2027Apr 12, 2028High confidence
1 more maintenance fee coming due in the 12 months from Nov 15, 2026 · Pro
10 of 11 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