Viral obesity methods and compositions

US 6,664,050 Surrendered on reissue

Surrendered on reissue Apr 3, 2007 · From the USPTO record

Computed 20-year base term

Surrendered on reissue Apr 3, 2007 · its term and maintenance fees continue in US RE39,544 and US RE39,914 and US RE40,832 and US RE42,129.

Named at grant Obetech, LLC · find this owner

Filed Jul 19, 2000 as application 09/619,117 · Granted Dec 16, 2003

Base term, 20 years from filing

Today

Surrendered Apr 3, 2007

1998 2026

Clock starts
Apr 6, 1998

No longer in force
Apr 3, 2007

Granted
Dec 16, 2003

Term would have run to
Apr 6, 2018

base term after the term ends 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

None

Term adjustment

No prosecution delay on this record.

None

Terminal disclaimer

No disclaimer on this record.

Not on record

Maintenance fees

USPTO's record of this patent carries no fee events. A gap in the record, not evidence of lapse.

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 Apr 6, 1998, when the earliest non-provisional application in its chain was filed (this one was filed Jul 19, 2000)	Apr 6, 2018	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	None on file	no change	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 events in USPTO's record of this patent. A gap in the record, not evidence of lapse	no change	Medium confidence
Reissue	US RE39,544 and US RE39,914 and US RE40,832 and US RE42,129 issued Apr 3, 2007, and this patent's term continues in it (35 U.S.C. 251, 252)	surrendered Apr 3, 2007	High confidence
Surrendered on reissue	The steps above, in order	Apr 3, 2007	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.

Viral obesity methods and compositions

Surrendered on reissue Apr 3, 2007 · From the USPTO record

20-year base term ended Apr 6, 2018

How we calculated this date

Sources