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US

Methods for Extracting and Converting Hemicellulose Sugars

US 10,138,217 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 9, 2034 · High confidence

Held by Virdia, LLC
Filed Jan 28, 2016 as application 14/908,458 · Granted Nov 27, 2018
Base term plus 36 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2034
Clock starts
Sep 3, 2014
Term ends
Oct 9, 2034
Granted
Nov 27, 2018
base term patent term adjustment 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
36
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 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.
2
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 36 days past its 20-year base term on prosecution delay. 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 Sep 3, 2014, when application PCT/US2014/053956, the earliest non-provisional in its chain, was filed (this one was filed Jan 28, 2016)Sep 3, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+36 days, USPTO patent term adjustment recordOct 9, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 9, 2034High confidence

This family

Application PCT/US2014/053956PCT application
no patent term
no patent term
US 10,138,217this patent
Oct 2034
Oct 2034
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 25, 2016
Reel 38715, frame 392
Jansen, Robert; Stout, Brendon; Lapidot, Noa; Hallac, Bassem; Faison, Michael A.; Zviely, Michael; Travisano, Philip; Madsen, Lee; Lawson, James Alan; Carden, Adam TylerVirdia, Inc.Assignment of Assignor's Interest
Mar 12, 2021
Reel 55599, frame 793
Triplepoint Capital LLCVirdia, Inc.Release of Security Interest
Mar 18, 2021
Reel 55633, frame 305
Virdia, Inc.Virdia, 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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