Term ends Oct 6, 2031 · High confidence
20-year base term ends Oct 6, 2031
Held by Mesoblast International Sàrl
Filed Jun 8, 2023 as application 18/331,353 · Granted Sep 9, 2025
Base term plus 76 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2011
2031
Clock starts
Oct 6, 2011
Oct 6, 2011
Term ends
Oct 6, 2031
Oct 6, 2031
Granted
Sep 9, 2025
Sep 9, 2025
base term
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
76
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,550,369, US 11,708,560, US 9,828,586.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
7
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 76 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 1 maintenance fees are paid so far. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Oct 6, 2011, when application 13/267,363, the earliest non-provisional in its chain, was filed (this one was filed Jun 8, 2023) | Oct 6, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +76 days, USPTO patent term adjustment record | Dec 21, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,550,369, US 11,708,560, US 9,828,586) | capped to Oct 6, 2031 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 6, 2031 | High confidence |
This family
| Application 13/267,363 | Abandoned not computed | not computed |
| US 9,828,586 | In force Oct 2031 | Oct 2031 |
| US 9,963,678 | In force no later than Oct 2031 | no later than Oct 2031 |
| US 10,550,369 | In force Jan 2032 | Jan 2032 |
| US 11,708,560 | In force Oct 2031 | Oct 2031 |
| US 12,410,405 | this patent Oct 2031 | Oct 2031 |
| Application 19/293,945 | Pending not computed | not computed |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 7, 2025 Reel 70446, frame 850 | Tom, Samson; Ton, Christopher; Danilkovitch, Alla | Osiris Therapeutics, Inc. | Assignment of Assignor's Interest |
| Mar 7, 2025 Reel 70446, frame 946 | Osiris Therapeutics, Inc. | Mesoblast International Sàrl | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
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Alerts on its grants, lapses and transfers.
What's changing
Oct 2031
Term ends Oct 6, 2031. Maintenance fees still fall due before then
Note
The 76 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,550,369, US 11,708,560, US 9,828,586.
Citations
2
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.