Maintenance fees coming due
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.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 11,685,899 | Cell Culture Method for Mesenchymal Stem Cells In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · High confidence | Mesoblast International Sàrl | In force | Dec 27, 2026 | Jun 28, 2027 | High confidence | |
| US 11,712,452 | Method for Treating Heart Failure In force Fee due Feb 1, 2027 Lapses if unpaid Aug 2, 2027 · High confidence | Mesoblast International SARL | In force | Feb 1, 2027 | Aug 2, 2027 | High confidence | |
| US 10,400,218 | Improved Stem Cell Composition In force Fee due Mar 3, 2027 Lapses if unpaid Sep 3, 2027 · High confidence | Mesoblast International SARL | In force | Mar 3, 2027 | Sep 3, 2027 | High confidence | |
| US 11,795,435 | Potency Assay In force Fee due Apr 24, 2027 Lapses if unpaid Oct 25, 2027 · High confidence | Mesoblast International SARL | In force | Apr 24, 2027 | Oct 25, 2027 | High confidence | |
| US 10,456,451 | Protease-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 Sàrl | In force | Apr 29, 2027 | Oct 29, 2027 | High confidence | |
| US 10,550,369 | Enhanced MSC Preparation In force Fee due Aug 4, 2027 Lapses if unpaid Feb 4, 2028 · Medium confidence | Mesoblast International SARL | In force | Aug 4, 2027 | Feb 4, 2028 | Medium confidence | |
| US 9,265,796 | Methods of Treating or Preventing Rheumatic Disease In force Fee due Aug 23, 2027 Lapses if unpaid Feb 23, 2028 · High confidence | Mesoblast, Inc. | In force | Aug 23, 2027 | Feb 23, 2028 | High confidence | |
| US 10,596,199 | Methods of Treating or Preventing Rheumatic Disease In force Fee due Sep 24, 2027 Lapses if unpaid Mar 24, 2028 · High confidence | Mesoblast, Inc. | In force | Sep 24, 2027 | Mar 24, 2028 | High confidence | |
| US 9,301,978 | Method of Treating Graft Versus Host Disease In force Fee due Oct 5, 2027 Lapses if unpaid Apr 5, 2028 · High confidence | Mesoblast, Inc. | In force | Oct 5, 2027 | Apr 5, 2028 | High confidence | |
| US 9,308,277 | Protease-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 Sàrl | In force | Oct 12, 2027 | Apr 12, 2028 | High 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.