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US

Dendrimer Compositions and Methods for Drug Delivery to the Eye

US 11,612,660 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Programmable Medicine, LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Dec 4, 2040 · High confidence

Filed Dec 4, 2020 as application 17/112,255 · Granted Mar 28, 2023
Base term, 20 years from filing
Today
20 years from filing
2020 2040
Clock starts
Dec 4, 2020
Term ends
Dec 4, 2040
Granted
Mar 28, 2023
base term fee events 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
3
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 is its 20-year base term, with no adjustment for prosecution delay. 1 of 3 maintenance fees is 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Dec 4, 2020, when this application, 17/112,255, was filedDec 4, 2040High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 4, 2040High confidence

This family

US 11,612,660this patent
Dec 2040
Dec 2040
US 12,121,585In force
no later than Dec 2040
no later than Dec 2040
Application 18/825,168Pending
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.
RecordedAssignorAssigneeConveyance
Dec 10, 2020
Reel 54600, frame 821
Cleland, Jeffrey; Sharma, Rishi; Appiani, SantiagoAshvattha Therapeutics, Inc.Assignment of Assignor's Interest
Oct 30, 2024
Reel 69066, frame 586
Ashvattha Therapeutics, Inc.Sagent Group, LLCSecurity Interest
May 29, 2025
Reel 71258, frame 198
Sagent Group, LLC, as AgentAshvattha Therapeutics, Inc.Release of Security Interest
Dec 9, 2025
Reel 73157, frame 501
Ashvattha Therapeutics, Inc.Programmable Medicine, LLCAssignment of Assignor's Interest
Dec 9, 2025
Reel 73157, frame 575
Programmable Medicine, LLCProgrammable Medicine Operating CompanyAssignment 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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