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US

Method of Fabricating and Operating an Optical Modulator

US 9,564,734 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jun 5, 2025 (Crystal Financial LLC D/B/A SLR Credit Solutions).

Term ends Mar 14, 2033 · High confidence

Held by Emcore LLC
Filed Mar 25, 2016 as application 15/081,575 · Granted Feb 7, 2017
Base term, 20 years from filing
Today
20 years from filing
2013 2033
Clock starts
Mar 14, 2013
Term ends
Mar 14, 2033
Granted
Feb 7, 2017
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
7
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. 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 Mar 14, 2013, when application 13/831,334, the earliest non-provisional in its chain, was filed (this one was filed Mar 25, 2016)Mar 14, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh 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 orderMar 14, 2033High confidence

This family

US 9,059,801In force
Jul 2033
Jul 2033
US 9,306,672In force
no later than Mar 2033
no later than Mar 2033
US 9,306,372In force
Mar 2033
Mar 2033
US 9,438,007In force
Mar 2033
Mar 2033
Application PCT/US2015/050161PCT application
no patent term
no patent term
US 9,564,734this patent
Mar 2033
Mar 2033
US 9,564,733In force
Mar 2033
Mar 2033
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
Aug 23, 2022
Reel 61300, frame 129
Emcore CorporationWingspire Capital LLCSecurity Interest
May 22, 2025
Reel 71352, frame 537
Emcore CorporationEmcore LLCEntity Conversion
Jun 5, 2025
Reel 71520, frame 457
Emcore LLC (F/K/A Emcore Corporation); Cartridge Actuated Devices, Inc.Crystal Financial LLC D/B/A SLR Credit Solutions, as Administrative AgentSecurity Interest
Aug 25, 2025
Reel 72106, frame 561
Wingspire Capital LLCEmcore CorporationRelease of 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.

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