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US 10,640,479 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed May 5, 2024 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Jun 23, 2017 as application 15/539,391 · Granted May 5, 2020
Base term, 20 years from filing, plus 233 days of patent term adjustment (USPTO delay)
Today
Lapsed May 5, 2024
2015 2036
Clock starts
Dec 21, 2015
No longer in force
May 5, 2024
Granted
May 5, 2020
Term would have run to
Aug 10, 2036
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
233
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.
24
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 Aug 10, 2036: its 20-year base term plus 233 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 Dec 21, 2015, when application PCT/EP2015/080722, the earliest non-provisional in its chain, was filed (this one was filed Jun 23, 2017)Dec 21, 2035High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+233 days, USPTO patent term adjustment recordAug 10, 2036High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidlapsed May 5, 2024High confidence
Computed term endThe steps above, in orderMay 5, 2024High confidence

This family

US 11,202,463In force
May 2037
May 2037
Application PCT/US2016/036777PCT application
no patent term
no patent term
Application 15/305,686Abandoned
not computed
not computed
US 10,640,479this patent
May 2024
May 2024
US 11,267,852In force
Jan 2037
Jan 2037
US 11,266,172In force
Dec 2038
Dec 2038
US 11,203,729In force
Sep 2035
Sep 2035
US 11,179,302In force
Nov 2037
Nov 2037
8 of 24 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
Jun 23, 2017
Reel 42797, frame 499
Normand, Valery; Van Sleeuwen, Rutger M.t.Firmenich S.A.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.

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