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US 7,035,896 Surrendered on reissue

Overview Sources & methods

Surrendered on reissue Aug 30, 2011 · From the USPTO record

Computed 20-year base term

Surrendered on reissue Aug 30, 2011 · its term and maintenance fees continue in US RE42,665.

No current holder resolved from the recorded chain.

Filed Dec 12, 2000 as application 09/735,114 · Granted Apr 25, 2006

Base term, 20 years from filing, plus 749 days of patent term adjustment (USPTO delay)

Today

Surrendered Aug 30, 2011

2000 2026

Clock starts
Dec 12, 2000

No longer in force
Aug 30, 2011

Granted
Apr 25, 2006

Term would have run to
Dec 31, 2022

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

749

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 filing	Clock starts Dec 12, 2000, when this application, 09/735,114, was filed	Dec 12, 2020	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+749 days, USPTO patent term adjustment record	Dec 31, 2022	High confidence
Terminal disclaimer cap	None on record	no cap applied	High confidence
Patent term extension	None on file	no change	High confidence
Fee events	No fee event states this; the fee state is read from the payments the fee record holds	no change	Medium confidence
Reissue	US RE42,665 issued Aug 30, 2011, and this patent's term continues in it (35 U.S.C. 251, 252)	surrendered Aug 30, 2011	High confidence
Surrendered on reissue	The steps above, in order	Aug 30, 2011	From the USPTO record

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.

Homepage access method, product, and apparatus

Surrendered on reissue Aug 30, 2011 · From the USPTO record

20-year base term ended Dec 12, 2020

How we calculated this date

Sources