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Cyclodextrin Compositions, Articles, and Methods

US 8,481,127 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 20, 2031 · High confidence

Filed Oct 11, 2012 as application 13/574,287 · Granted Jul 9, 2013
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Oct 20, 2011
Term ends
Oct 20, 2031
Granted
Jul 9, 2013
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
8
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 is its 20-year base term, with no adjustment for 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 20, 2011, when application PCT/US2011/057017, the earliest non-provisional in its chain, was filed (this one was filed Oct 11, 2012)Oct 20, 2031High 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 events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 20, 2031High confidence

This family

US 8,481,127this patent
Oct 2031
Oct 2031
US 9,074,106In force
Oct 2031
Oct 2031
US 9,353,282In force
Oct 2031
Oct 2031
US 9,675,069In force
Oct 2031
Oct 2031
US 10,182,567Surrendered on reissue
Apr 2023
Apr 2023
US RE49,501In force
Oct 2031
Oct 2031
Application 18/125,245Pending
not computed
not computed
7 of 8 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
Jul 20, 2012
Reel 28598, frame 555
Wood, Willard E.; Kuduk, William J.Cellresin Technologies, LLCAssignment of Assignor's Interest
Oct 15, 2012
Reel 29129, frame 465
Keute, Joseph S.Cellresin Technologies, LLCAssignment of Assignor's Interest
Dec 4, 2020
Reel 54591, frame 969
Cellresin Technologies, LLCVerdant Technologies, LLCChange of Name

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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