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Highly Efficient Stable Oxynitride Phosphor

US 7,649,309 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 2, 2027 · High confidence

Filed Oct 21, 2005 as application 11/256,567 · Granted Jan 19, 2010
Base term plus 681 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2005 2027
Clock starts
Oct 21, 2005
Term ends
Sep 2, 2027
Granted
Jan 19, 2010
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
681
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.
6
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 681 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 Oct 21, 2005, when this application, 11/256,567, was filedOct 21, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+681 days, USPTO patent term adjustment recordSep 2, 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 orderSep 2, 2027High confidence

This family

Application 10/772,563Abandoned
not computed
not computed
US 7,345,413Lapsed on the fee record
Mar 2020
Mar 2020
US 7,649,309this patent
Sep 2027
Sep 2027
US 7,327,099Term ended
Mar 2026
Mar 2026
US 7,489,073In force
Apr 2027
Apr 2027
US 7,695,164In force
Nov 2027
Nov 2027
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
Oct 21, 2005
Reel 17146, frame 522
Fiedler, Tim; Jermann, FrankPatent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen MBHAssignment of Assignor's Interest
Feb 2, 2010
Reel 23882, frame 382
Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen MBHOSRAM Gesellschaft Mit Beschrankter HaftungMerger
Dec 19, 2019
Reel 51381, frame 694
OSRAM GmbHOSRAM Opto Semiconductors GmbHAssignment of Assignor's Interest
Jan 3, 2020
Reel 51467, frame 906
OSRAM Opto Semiconductors GmbHOSRAM OLED GmbHAssignment 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.

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