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US

Methods for Treating Lignocellulosic Materials

US 9,631,246 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 8, 2033 · High confidence

Filed Nov 10, 2014 as application 14/537,445 · Granted Apr 25, 2017
Base term plus 158 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2013 2033
Clock starts
May 3, 2013
Term ends
Oct 8, 2033
Granted
Apr 25, 2017
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
158
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
10
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 158 days past its 20-year base term on 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 May 3, 2013, when application PCT/US2013/039585, the earliest non-provisional in its chain, was filed (this one was filed Nov 10, 2014)May 3, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+158 days, USPTO patent term adjustment recordOct 8, 2033High 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 orderOct 8, 2033High confidence

This family

Application PCT/US2013/039585PCT application
no patent term
no patent term
Application PCT/US2013/068824PCT application
no patent term
no patent term
US 9,493,851In force
Sep 2033
Sep 2033
US 9,783,861In force
May 2033
May 2033
US 9,631,246this patent
Oct 2033
Oct 2033
US 9,650,687In force
Jul 2033
Jul 2033
US 9,657,146In force
May 2033
May 2033
US 10,138,332In force
May 2033
May 2033
8 of 10 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
Mar 4, 2015
Reel 35082, frame 925
Jansen, Robert; Gregoire, Claire; Travisano, Philip; Madsen, Lee; Matis, Neta; Har-tal, Yael; Eliahu, Shay; Lawson, James Alan; Lapidot, Noa; Eyal, Aharon M.; Bauer, Timothy Allen; Sade, Hagit; McWilliams, Paul; Zviely, Michael; Carden, Adam; Burke, LukeVirdia, 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
Oct 4, 2024
Reel 69873, frame 615
Virdia LLCInternational N&H Denmark APSAssignment 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