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Passively Q-Switched Laser with Adjustable Pulse Repetition Rate

US 7,843,978 In force
OverviewAssignmentsSources & methods
Collateral for a security interest recorded Dec 11, 2018 (Deutsche Bank AG New York Branch).

Term ends Nov 30, 2026 · High confidence

Filed Feb 4, 2005 as application 11/051,023 · Granted Nov 30, 2010
Base term plus 664 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2005 2026
Clock starts
Feb 4, 2005
Term ends
Nov 30, 2026
Granted
Nov 30, 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
664
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.

This patent's term runs 664 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 4, 2005, when this application, 11/051,023, was filedFeb 4, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+664 days, USPTO patent term adjustment recordNov 30, 2026High 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 orderNov 30, 2026High confidence

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
Feb 4, 2005
Reel 16257, frame 876
Souhaite, Gregoire; Feve, Jean-philippeJDS Uniphase CorporationAssignment of Assignor's Interest
Aug 21, 2015
Reel 36420, frame 340
JDS Uniphase CorporationLumentum Operations LLCAssignment of Assignor's Interest
Jan 19, 2016
Reel 37562, frame 513
JDS Uniphase CorporationLumentum Operations LLCCorrective Assignment to Correct Incorrect Patents 7,868,247 and 6,476,312 on Page A-A33 Previously Recorded on Reel 036420 Frame 0340. Assignor(S) Hereby Confirms the Assignment.
Jan 28, 2016
Reel 37627, frame 641
JDS Uniphase CorporationLumentum Operations LLCCorrective Assignment to Correct Patents 7,868,247 and 6,476,312 Listed on Page A-A33 Previously Recorded on Reel 036420 Frame 0340. Assignor(S) Hereby Confirms the Assignment.
Dec 11, 2018
Reel 47788, frame 511
Lumentum Operations LLC; Oclaro Fiber Optics, Inc.; Oclaro, Inc.Deutsche Bank AG New York Branch, as Collateral AgentPatent Security Agreement
Dec 13, 2019
Reel 51287, frame 556
Deutsche AG New York BranchLumentum Operations LLC; Oclaro Fiber Optics, Inc.; Oclaro, Inc.Release of Security Interest
Dec 13, 2019
reel/frame not recorded
Deutsche AG New York BranchLumentum Operations LLCRelease of Security Interest
Dec 13, 2019
reel/frame not recorded
Deutsche AG New York BranchOclaro Fiber Optics, Inc.Release of Security Interest
Dec 13, 2019
reel/frame not recorded
Deutsche AG New York BranchOclaro, Inc.Release of Security Interest
Dec 22, 2025
Reel 74974, frame 1
Lumentum Operations LLCWells Fargo Bank, National Association, as Collateral AgentAssignment 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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