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Compositions and Methods Comprising Cellulase Variants with Reduced Affinity to Non-Cellulosic Materials

US 8,999,692 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 7, 2019 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Jul 6, 2012 as application 13/543,627 · Granted Apr 7, 2015
Base term, 20 years from filing, plus 249 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 7, 2019
2009 2030
Clock starts
Jun 3, 2009
No longer in force
Apr 7, 2019
Granted
Apr 7, 2015
Term would have run to
Feb 7, 2030
base term patent term adjustment 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
249
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
74
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 Feb 7, 2030: its 20-year base term plus 249 days of term 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 Jun 3, 2009, when application 12/477,887, the earliest non-provisional in its chain, was filed (this one was filed Jul 6, 2012)Jun 3, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+249 days, USPTO patent term adjustment recordFeb 7, 2030High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidlapsed Apr 7, 2019High confidence
Computed term endThe steps above, in orderApr 7, 2019High confidence

This family

Application PCT/US2006/000167PCT application
no patent term
no patent term
US 8,236,542Lapsed on the fee record
Aug 2024
Aug 2024
US 8,744,666In force
Jul 2032
Jul 2032
US 9,582,006In force
Nov 2032
Nov 2032
US 8,999,692this patent
Apr 2019
Apr 2019
Application PCT/US2012/045830PCT application
no patent term
no patent term
Application PCT/US2014/030770PCT application
no patent term
no patent term
US 9,665,102In force (reinstated)
Jul 2032
Jul 2032
8 of 74 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
Aug 7, 2018
Reel 46572, frame 22
Danisco US Inc.U.S. Department of EnergyAssignment 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