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US

Methods for Making L-Glufosinate

US 9,834,802 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Agrimetis, LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Feb 28, 2037 · High confidence

Held by BASF SE
Filed Feb 28, 2017 as application 15/445,254 · Granted Dec 5, 2017
Base term, 20 years from filing
Today
20 years from filing
2017 2037
Clock starts
Feb 28, 2017
Term ends
Feb 28, 2037
Granted
Dec 5, 2017
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.
2 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.
13
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. 2 of 3 maintenance fees are 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 Feb 28, 2017, when this application, 15/445,254, was filedFeb 28, 2037High 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 paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 28, 2037High confidence

This family

US 9,834,802this patent
Feb 2037
Feb 2037
US 10,260,078In force
Feb 2037
Feb 2037
US 10,781,465In force
Feb 2037
Feb 2037
US 11,560,577In force
Feb 2037
Feb 2037
US 11,732,281In force
Feb 2037
Feb 2037
US 11,905,538In force
Feb 2037
Feb 2037
US 11,913,048In force
Feb 2037
Feb 2037
US 12,305,206In force
no later than Feb 2037
no later than Feb 2037
8 of 13 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 42799, frame 538
Acidophil, LLCAgrimetis, LLCAssignment of Assignor's Interest
Jun 23, 2017
Reel 42799, frame 766
Gradley, Michelle LorraineZuvasyntha LimitedAssignment of Assignor's Interest
Jun 23, 2017
Reel 42981, frame 162
Green, Brian MichaelAcidophil, LLCAssignment of Assignor's Interest
Jun 23, 2017
Reel 42981, frame 272
Zuvasyntha LimitedAgrimetis, LLCAssignment of Assignor's Interest
Jan 8, 2019
Reel 47930, frame 120
Alcasabas, AnnetteZuvasyntha LimitedAssignment of Assignor's Interest
Nov 18, 2020
Reel 54405, frame 808
Agrimetis, LLCBASF SEAssignment 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