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Crystalline Form a of Obeticholic Acid and Preparation Method Thereof

US 10,273,262 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 30, 2023 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Sep 20, 2016 as application 15/127,750 · Granted Apr 30, 2019
Base term, 20 years from filing
Today
Lapsed Apr 30, 2023
2015 2035
Clock starts
Dec 30, 2015
No longer in force
Apr 30, 2023
Granted
Apr 30, 2019
Term would have run to
Dec 30, 2035
base term after the term ends 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.
0 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.
32
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Dec 30, 2035: its 20-year base term, with no adjustment for prosecution delay. 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 30, 2015, when application PCT/CN2015/099770, the earliest non-provisional in its chain, was filed (this one was filed Sep 20, 2016)Dec 30, 2035High 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 events0 of 3 maintenance fees paidlapsed Apr 30, 2023High confidence
Computed term endThe steps above, in orderApr 30, 2023High confidence

This family

Application PCT/US2014/071501PCT application
no patent term
no patent term
Application PCT/US2015/064432PCT application
no patent term
no patent term
US 10,351,536Lapsed on the fee record
Jul 2023
Jul 2023
US 9,751,889In force
Nov 2034
Nov 2034
US 9,969,701Lapsed on the fee record
May 2026
May 2026
US 10,273,262this patent
Apr 2023
Apr 2023
US 9,957,240In force
Dec 2035
Dec 2035
US 10,246,437Lapsed on the fee record
Apr 2023
Apr 2023
8 of 32 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
Mar 13, 2019
Reel 48590, frame 28
Chen, Minhua; Zhang, Yanfeng; Diao, Xiaojuan; Zhang, XiaoyuCrystal Pharmatech Co., Ltd.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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