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Articles of Poly(butylene Succinate) and Copolymers Thereof

US 10,994,057 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 1, 2039 · High confidence

Held by Tepha, Inc.
Filed Aug 31, 2020 as application 17/007,583 · Granted May 4, 2021
Base term, 20 years from filing
Today
20 years from filing
2019 2039
Clock starts
Mar 1, 2019
Term ends
Mar 1, 2039
Granted
May 4, 2021
base term fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,896,734, US 12,151,050, to Mar 1, 2039. The term already ends on or before that date, so the cap shortened nothing.
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.
9
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Mar 1, 2019, when application 16/290,718, the earliest non-provisional in its chain, was filed (this one was filed Aug 31, 2020)Mar 1, 2039High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,896,734, US 12,151,050)resolves to Mar 1, 2039, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 1, 2039High confidence

This family

Application 16/290,718Abandoned
not computed
not computed
US 12,151,050In force
Mar 2042
Mar 2042
Application 17/006,705Abandoned
not computed
not computed
Application 17/006,710Pending
not computed
not computed
US 10,994,057this patent
Mar 2039
Mar 2039
US 11,844,879In force
Jul 2039
Jul 2039
Application 17/497,800Pending
not computed
not computed
US 12,616,780In force
Mar 2039
Mar 2039
8 of 9 applications in this family shown, earliest filings first. 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
Oct 14, 2020
Reel 54049, frame 684
Williams, Simon F.; Rizk, Said; Martin, David P.; Limem, Skander; Guo, Kai; Lopez, German Oswaldo Hohl; Ganatra, AmitTepha, Inc.Assignment of Assignor's Interest
Oct 23, 2020
Reel 54224, frame 693
Tepha, Inc.Innovatus Life Sciences Lending Fund I, LP, as Collateral AgentSecurity Interest
Oct 5, 2023
Reel 65156, frame 223
Innovatus Life Sciences Lending Fund I, LPTepha, Inc.Release of Security 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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