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US

Color Balance in Digital Photography

US 8,976,264 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jul 30, 2021 (Zilka Kotab, P.C.).

Term ends Jan 31, 2033 · High confidence

Held by Duelight LLC
Filed Sep 4, 2012 as application 13/573,252 · Granted Mar 10, 2015
Base term plus 149 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2012 2033
Clock starts
Sep 4, 2012
Term ends
Jan 31, 2033
Granted
Mar 10, 2015
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
149
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.
50
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 149 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 Sep 4, 2012, when this application, 13/573,252, was filedSep 4, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+149 days, USPTO patent term adjustment recordJan 31, 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 orderJan 31, 2033High confidence

This family

US 8,976,264this patent
Jan 2033
Jan 2033
US 9,167,169In force
Nov 2034
Nov 2034
US 9,167,174In force
Nov 2034
Nov 2034
US 9,137,455In force
Nov 2034
Nov 2034
US 9,179,085In force
Nov 2034
Nov 2034
US 9,154,708In force
Nov 2034
Nov 2034
US 9,179,062In force
Nov 2034
Nov 2034
US 9,160,936In force
Nov 2034
Nov 2034
8 of 50 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
Jan 22, 2015
Reel 34793, frame 781
Rivard, William Guie; Feder, Adam Barry; Kindle, BrianDuelight LLCAssignment of Assignor's Interest
Jul 30, 2021
Reel 57043, frame 301
Duelight, LLCZilka Kotab, P.c.Security 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