The Patent Finder
US

Holographic Recording Medium with Control of Photopolymerization and Dark Reactions

US 7,704,643 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Inphase Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Aug 19, 2027 · High confidence

Filed Feb 28, 2005 as application 11/067,010 · Granted Apr 27, 2010
Base term plus 902 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2005 2027
Clock starts
Feb 28, 2005
Term ends
Aug 19, 2027
Granted
Apr 27, 2010
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
902
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
4
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 902 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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, 2005, when this application, 11/067,010, was filedFeb 28, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+902 days, USPTO patent term adjustment recordAug 19, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 19, 2027High confidence

This family

US 7,704,643this patent
Aug 2027
Aug 2027
Application PCT/US2006/006749PCT application
no patent term
no patent term
US 8,133,639Lapsed on the fee record
Mar 2020
Mar 2020
Application 13/365,304Abandoned
not computed
not computed
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
Dec 1, 2005
Reel 16838, frame 678
Cole, Michael C.; Askham, Frederic R.; Wilson, William R.Inphase Technologies, Inc.Assignment of Assignor's Interest
Oct 9, 2012
Reel 29100, frame 145
Inphase Technologies, Inc.Acadia Woods Partners, LLCAssignment of Assignor's Interest
Oct 9, 2012
Reel 29100, frame 192
Acadia Woods Partners, LLCAkonia Holographics, LLCAssignment 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