Fiber Optic Local Convergence Points for Multiple Dwelling Units

US 7,548,680 Surrendered on reissue

Surrendered on reissue Sep 17, 2013 · High confidence

Computed 20-year base term

Surrendered on reissue Sep 17, 2013 · its term and maintenance fees continue in US RE44,498 and US RE46,525 and US RE46,701 and US RE48,082 and US RE48,937 and US RE50,042.

Held by Corning Optical Communications LLC

Filed Jan 31, 2008 as application 12/012,144 · Granted Jun 16, 2009

Base term, 20 years from filing

Today

Surrendered Sep 17, 2013

2007 2027

Clock starts
Jan 12, 2007

No longer in force
Sep 17, 2013

Granted
Jun 16, 2009

Term would have run to
Jan 12, 2027

base term after the term ends 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

None

Term adjustment

No prosecution delay on this record.

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 Jan 12, 2007, when the earliest non-provisional application in its chain was filed (this one was filed Jan 31, 2008)	Jan 12, 2027	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	3 of 3 maintenance fees paid	no change	High confidence
Reissue	US RE44,498 and US RE46,525 and US RE46,701 and US RE48,082 and US RE48,937 and US RE50,042 issued Sep 17, 2013, and this patent's term continues in it (35 U.S.C. 251, 252)	surrendered Sep 17, 2013	High confidence
Surrendered on reissue	The steps above, in order	Sep 17, 2013	High 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.

Fiber Optic Local Convergence Points for Multiple Dwelling Units

Surrendered on reissue Sep 17, 2013 · High confidence

20-year base term ends Jan 12, 2027

How we calculated this date

Sources