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US

High Efficiency Rectifier

US 7,847,315 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded May 21, 2018 (Bank of America, N.A.).

Term ends Oct 28, 2028 · High confidence

Filed Mar 9, 2007 as application 11/684,261 · Granted Dec 7, 2010
Base term plus 599 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2028
Clock starts
Mar 9, 2007
Term ends
Oct 28, 2028
Granted
Dec 7, 2010
base term patent term adjustment fee events 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
599
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.
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 runs 599 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 Mar 9, 2007, when this application, 11/684,261, was filedMar 9, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+599 days, USPTO patent term adjustment recordOct 28, 2028High 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 orderOct 28, 2028High confidence

This family

US 7,342,389Lapsed on the fee record
Mar 2020
Mar 2020
US 7,684,482In force
Nov 2028
Nov 2028
US 7,847,315this patent
Oct 2028
Oct 2028
US 7,683,553In force
Jun 2027
Jun 2027
US 8,111,846In force
May 2030
May 2030
US 7,579,910In force
Jan 2028
Jan 2028
US 7,932,536In force
Oct 2027
Oct 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
Apr 10, 2007
Reel 19138, frame 689
Hamerski, Roman J.; Chen, Zerui; Hong, James Man-fai; Chiem, Johnny Duc Van; Hruska, Christopher D.; Eastman, Timothy S.Diodes Fabtech Inc.Assignment of Assignor's Interest
Jan 9, 2013
Reel 29594, frame 139
Diodes Fabtech Inc., as GrantorBank of America, N.A., as Administrative AgentSecurity Agreement
Mar 30, 2018
Reel 45395, frame 905
Diodes Fabtech, Inc.Diodes IncorporatedAssignment of Assignor's Interest
May 21, 2018
Reel 46871, frame 411
Diodes IncorporatedBank of America, N.A., as Administrative AgentSecurity Agreement

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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