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US

Non-Linear PWM Controller

US 8,395,365 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 3, 2027 · High confidence

Filed Aug 19, 2008 as application 12/194,404 · Granted Mar 12, 2013
Base term plus 1231 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2006 2027
Clock starts
Nov 10, 2006
Term ends
Oct 3, 2027
Granted
Mar 12, 2013
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
1,231
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,545,130.
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.
3
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 1231 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Nov 10, 2006, when application 11/558,790, the earliest non-provisional in its chain, was filed (this one was filed Aug 19, 2008)Nov 10, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1231 days, USPTO patent term adjustment recordMar 25, 2030High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,545,130)capped to Oct 3, 2027High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 3, 2027High confidence

This family

US 7,746,048In force
Jun 2027
Jun 2027
US 8,395,365this patent
Oct 2027
Oct 2027
US 8,866,463Term ended
Nov 2026
Nov 2026
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 14, 2008
Reel 21676, frame 743
Latham, Paul W.; Canfield, John C.L&L Engineering LLCAssignment of Assignor's Interest
Apr 21, 2011
Reel 26165, frame 364
L&L Engineering, LLCMaxim Integrated Products, Inc.Assignment 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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