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Antigenic GM-CSF Peptides and Antibodies to GM-CSF

US 10,023,632 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jul 17, 2026 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Held by Eisai, Inc.
Filed Jul 18, 2016 as application 15/212,779 · Granted Jul 17, 2018
Base term, 20 years from filing, plus 45 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 17, 2026
2007 2027
Clock starts
Feb 8, 2007
No longer in force
Jul 17, 2026
Granted
Jul 17, 2018
Term would have run to
Mar 25, 2027
base term patent term adjustment 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
45
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
5
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 Mar 25, 2027: its 20-year base term plus 45 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 Feb 8, 2007, when application 11/672,902, the earliest non-provisional in its chain, was filed (this one was filed Jul 18, 2016)Feb 8, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+45 days, USPTO patent term adjustment recordMar 25, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidlapsed Jul 17, 2026High confidence
Computed term endThe steps above, in orderJul 17, 2026High confidence

This family

US 7,741,450In force
Feb 2028
Feb 2028
US 8,318,168In force
May 2027
May 2027
US 8,623,364Lapsed on the fee record
Jan 2026
Jan 2026
US 9,422,367In force
Feb 2027
Feb 2027
US 10,023,632this patent
Jul 2026
Jul 2026
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
Jun 21, 2018
Reel 46167, frame 958
Ebel, WolfgangMorphotek, Inc.Assignment of Assignor's Interest
Jun 21, 2018
Reel 46167, frame 803
Sass, Philip M.; Nicolaides, Nicholas C.; Grasso, Luigi; Li, Jian; Chao, Qimin; Routhier, EricMorphotek, Inc.Assignment of Assignor's Interest
Jul 5, 2018
Reel 46498, frame 627
Morphotek, Inc.Eisai, Inc.Assignment 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