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US

Depolymerization of Plastic Materials

US 9,650,313 In force
OverviewFamilySources & methods

Term ends Apr 22, 2032 · High confidence

Filed Dec 30, 2014 as application 14/586,521 · Granted May 16, 2017
Base term plus 207 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2011 2032
Clock starts
Sep 28, 2011
Term ends
Apr 22, 2032
Granted
May 16, 2017
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
207
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,969,638, to Apr 22, 2032. The term already ends on or before that date, so the cap shortened nothing.
2 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 runs 207 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 3 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Sep 28, 2011, when application 13/247,285, the earliest non-provisional in its chain, was filed (this one was filed Dec 30, 2014)Sep 28, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+207 days, USPTO patent term adjustment recordApr 22, 2032High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 8,969,638)resolves to Apr 22, 2032, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderApr 22, 2032High confidence

This family

US 8,969,638In force
Oct 2033
Oct 2033
Application PCT/US2011/058319PCT application
no patent term
no patent term
US 9,650,313this patent
Apr 2032
Apr 2032
The applications whose file history this site holds. The family may have others.

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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