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Method and Apparatus for Simulating Logic Circuits That Include a Circuit Block to Which Power Is Not Supplied

US 7,310,795 Surrendered on reissue
OverviewSources & methods

Surrendered on reissue Aug 28, 2012 · Low confidence

Surrendered on reissue Aug 28, 2012 · its term and maintenance fees continue in US RE43,623.

Held by Semiconductor Design Technologies LLC
Filed Jul 13, 2005 as application 11/179,660 · Granted Dec 18, 2007
Base term, 20 years from filing, plus 127 days of patent term adjustment (USPTO delay)
Today
Surrendered Aug 28, 2012
2005 2026
Clock starts
Jul 13, 2005
No longer in force
Aug 28, 2012
Granted
Dec 18, 2007
Term would have run to
Nov 17, 2025
base term patent term adjustment after the term ends 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
127
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Fees paid on this patent before its reissue. Those after fall due on the reissue, which carries the term on.

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.
Step Input Date after this step Confidence
Base term, 20 years from filingClock starts Jul 13, 2005, when this application, 11/179,660, was filedJul 13, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+127 days, USPTO patent term adjustment recordNov 17, 2025High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsNo fee event states this; the fee state is read from the payments the fee record holds; the fee record shows no payment for this window, and USPTO's status still reads "Patented Case"no changeLow confidence
ReissueUS RE43,623 issued Aug 28, 2012, and this patent's term continues in it (35 U.S.C. 251, 252)surrendered Aug 28, 2012High confidence
Surrendered on reissueThe steps above, in orderAug 28, 2012Low confidence

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.

Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.

Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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