The Patent Finder
US

Semiconductor Device with Improved Breakdown Properties and Manufacturing Method Thereof

US 7,709,889 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 15, 2028 · High confidence

Filed Jul 26, 2007 as application 11/828,973 · Granted May 4, 2010
Base term plus 325 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2028
Clock starts
Jul 26, 2007
Term ends
Jun 15, 2028
Granted
May 4, 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
325
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 325 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 Jul 26, 2007, when this application, 11/828,973, was filedJul 26, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+325 days, USPTO patent term adjustment recordJun 15, 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 orderJun 15, 2028High confidence

This family

US 7,709,889this patent
Jun 2028
Jun 2028
US 8,134,358In force
Jan 2029
Jan 2029
US 7,760,106In force
Apr 2029
Apr 2029
US 7,696,740In force
Nov 2028
Nov 2028
US 8,339,092In force
Feb 2029
Feb 2029
US 8,093,924In force
Aug 2028
Aug 2028
US 7,804,350In force
Apr 2029
Apr 2029
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 17, 2008
Reel 20818, frame 715
Moens, Peter; Bauwens, Filip; Baele, Joris; Tack, MarnixAmi Semiconductor Belgium BvbaAssignment of Assignor's Interest
Sep 25, 2009
Reel 23282, frame 476
Ami Semiconductor Belgium BvbaSemiconductor Components Industries, L.l.c.Bill of Sale
Apr 15, 2016
Reel 38620, frame 87
Semiconductor Components Industries, LLCDeutsche Bank AG New York BranchSecurity Interest
Aug 25, 2016
Reel 39853, frame 1
Semiconductor Components Industries, LLCDeutsche Bank AG New York Branch, as Collateral AgentCorrective Assignment to Correct the Incorrect Patent Number 5859768 and to Recite Collateral Agent Role of Receiving Party in the Security Interest Previously Recorded on Reel 038620 Frame 0087. Assignor(S) Hereby Confirms the Security Interest.
Jun 22, 2023
reel/frame not recorded
Deutsche Bank AG New York Branch, as Collateral AgentSemiconductor Components Industries, LLCRelease of Security Interest in Patents Recorded at Reel 038620, Frame 0087
Jun 22, 2023
reel/frame not recorded
Deutsche Bank AG New York Branch, as Collateral AgentFairchild Semiconductor CorporationRelease of Security Interest in Patents Recorded at Reel 038620, Frame 0087
Jun 22, 2023
Reel 64070, frame 1
Deutsche Bank AG New York Branch, as Collateral AgentSemiconductor Components Industries, LLC; Fairchild Semiconductor CorporationRelease of Security Interest in Patents Recorded at Reel 038620, Frame 0087

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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited