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Substituted Pyrazolo[1,5-a]pyrimidine Compounds as TRK Kinase Inhibitors

US 8,513,263 In force
OverviewFamilyAssignmentsSources & methods

Term ends Dec 23, 2029 · High confidence

Filed Apr 20, 2011 as application 13/125,263 · Granted Aug 20, 2013
Base term plus 63 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2029
Clock starts
Oct 21, 2009
Term ends
Dec 23, 2029
Granted
Aug 20, 2013
base term patent term adjustment 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
63
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
13
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 63 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Oct 21, 2009, when application PCT/US2009/061519, the earliest non-provisional in its chain, was filed (this one was filed Apr 20, 2011)Oct 21, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+63 days, USPTO patent term adjustment recordDec 23, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 23, 2029High confidence

This family

Application PCT/US2009/061519PCT application
no patent term
no patent term
US 8,513,263this patent
Dec 2029
Dec 2029
US 8,865,698In force
Oct 2029
Oct 2029
US 9,447,104In force
Oct 2029
Oct 2029
US 9,127,013In force
Oct 2029
Oct 2029
US 9,676,783In force
Oct 2029
Oct 2029
US 10,005,783In force
Oct 2029
Oct 2029
US 10,047,097In force
Oct 2029
Oct 2029
8 of 13 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
Apr 21, 2011
Reel 26161, frame 438
Andrews, Steven W.; Haas, Julia; Jiang, Yutong; Zhang, GanArray Biopharma, Inc.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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited