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Optoelectronic Semiconductor Chip and Method for Producting an Optoelectronic Semiconductor Chip

US 12,255,268 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 14, 2039 · High confidence

Filed Mar 28, 2024 as application 18/619,924 · Granted Mar 18, 2025
Base term, 20 years from filing
Today
20 years from filing
2019 2039
Clock starts
Mar 14, 2019
Term ends
Mar 14, 2039
Granted
Mar 18, 2025
base term 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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 12,015,107, to Mar 14, 2039. The term already ends on or before that date, so the cap shortened nothing.
0 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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 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 Mar 14, 2019, when application PCT/EP2019/056458, the earliest non-provisional in its chain, was filed (this one was filed Mar 28, 2024)Mar 14, 2039High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 12,015,107)resolves to Mar 14, 2039, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 14, 2039High confidence

This family

US 11,631,787In force
Sep 2039
Sep 2039
US 12,015,107In force
Mar 2039
Mar 2039
US 12,255,268this patent
Mar 2039
Mar 2039
3 of 4 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 28, 2024
Reel 66935, frame 437
Pickel, Sebastian; Saric, Johannes; Schmid, Wolfgang; Strozecka-assig, Anna; Baur, JohannesOSRAM OLED GmbHAssignment of Assignor's Interest
Feb 17, 2026
Reel 74881, frame 104
OSRAM OLED GmbHAMS-OSRAM International GmbHMerger

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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