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Biodegradable Nanopolymer Compositions and Biodegradable Articles Made Thereof

US 8,389,614 Lapsed on the fee record
OverviewSources & methods

Lapsed Mar 5, 2017 on the fee record · Medium confidence

Why Medium: A parent in the chain could not be resolved.

First maintenance fee unpaid; grace period ended.

Held by Cereplast, Inc.
Filed May 9, 2011 as application 13/103,178 · Granted Mar 5, 2013
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
Lapsed Mar 5, 2017
2006 2026
Clock starts
Feb 28, 2006
No longer in force
Mar 5, 2017
Granted
Mar 5, 2013
Term would have run to
Feb 27, 2024
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.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,138,439, US 7,927,532.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.

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.
Step Input Date after this step Confidence
Base term, 20 years from filingClock starts Feb 28, 2006, when the earliest non-provisional application in its chain was filed (this one was filed May 9, 2011); a parent in its chain could not be resolved (the next row)Feb 28, 2026High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,138,439, US 7,927,532)capped to Feb 27, 2024High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidlapsed Mar 5, 2017High confidence
Computed term endThe steps above, in orderMar 5, 2017Medium confidence

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.

Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.

Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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