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Cyclodextrin Compositions, Articles, and Methods

US 10,182,567 Surrendered on reissue
OverviewFamilyAssignmentsSources & methods

Surrendered on reissue Apr 25, 2023 · High confidence

Surrendered on reissue Apr 25, 2023 · its term and maintenance fees continue in US RE49,501.

Filed May 4, 2017 as application 15/586,802 · Granted Jan 22, 2019
Base term, 20 years from filing
Today
Surrendered Apr 25, 2023
2011 2031
Clock starts
Oct 20, 2011
No longer in force
Apr 25, 2023
Granted
Jan 22, 2019
Term would have run to
Oct 20, 2031
base term after the term ends 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.
1 of 3
Maintenance fees paid
Fees paid on this patent before its reissue. Those after fall due on the reissue, which carries the term on.
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. 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 May 4, 2017)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 events2 of 3 maintenance fees paidno changeHigh confidence
ReissueUS RE49,501 issued Apr 25, 2023, and this patent's term continues in it (35 U.S.C. 251, 252)surrendered Apr 25, 2023High confidence
Surrendered on reissueThe steps above, in orderApr 25, 2023High confidence

This family

US 8,481,127In force
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 10,182,567this patent
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
May 4, 2017
Reel 42242, frame 81
Wood, Willard E.; Kuduk, William J.; 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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