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US

Solid Form of (-)-Ambrox Formed by a Bioconversion of Homofarnesol in the Presence of a Biocatalyst

US 11,401,541 In force
OverviewFamilyAssignmentsSources & methods

Term ends Apr 20, 2037 · High confidence

Filed Oct 14, 2020 as application 17/070,385 · Granted Aug 2, 2022
Base term plus 2 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2017 2037
Clock starts
Apr 20, 2017
Term ends
Apr 20, 2037
Granted
Aug 2, 2022
base term fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
2
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,844,412.
1 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.
6
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 runs 2 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 maintenance fees is paid so far. 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 Apr 20, 2017, when application PCT/EP2017/059327, the earliest non-provisional in its chain, was filed (this one was filed Oct 14, 2020)Apr 20, 2037High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+2 days, USPTO patent term adjustment recordApr 22, 2037High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,844,412)capped to Apr 20, 2037High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderApr 20, 2037High confidence

This family

US 10,844,412In force
Apr 2037
Apr 2037
US 11,401,541this patent
Apr 2037
Apr 2037
US 11,773,419In force
Apr 2037
Apr 2037
US 12,084,699In force
no later than Apr 2037
no later than Apr 2037
Application 18/797,477Pending
not computed
not computed
5 of 6 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
Oct 14, 2020
Reel 54053, frame 177
Sanhaji, Ghislain; Rousseaux, Alix; Noel, Sandrine; Eichhorn, EricGivaudan 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited