Term ended Feb 16, 2026 · Medium confidence

Computed 20-year base term

Why Medium: A parent in the chain could not be resolved.

Held by Enterprise Science Fund, LLC

Filed Dec 30, 2011 as application 13/374,531 · Granted Nov 13, 2012

Base term, 20 years from filing

Today

20 years from filing

Term ended Feb 16, 2026

2006 2026

Clock starts
Feb 16, 2006

Term ended
Feb 16, 2026

Granted
Nov 13, 2012

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.

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.

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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. Confidence: Medium. 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.

Step	Input	Date after this step	Confidence
Base term, 20 years from filing	Clock starts Feb 16, 2006, when application 11/355,918, the earliest non-provisional in its chain, was filed (this one was filed Dec 30, 2011); a parent in its chain could not be resolved (the next row)	Feb 16, 2026	High confidence
Continuity chain	A parent in the chain could not be resolved	dated from this application's own claim	Medium 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	term ended	High confidence
Computed term end	The steps above, in order	Feb 16, 2026	Medium confidence

This family

US 7,466,420	In force Dec 2026	Dec 2026
US 7,463,359	Term ended Sep 2026	Sep 2026
Application PCT/US2007/004290	PCT application no patent term	no patent term
Application PCT/US2007/004241	PCT application no patent term	no patent term
US 7,859,676	In force Dec 2026	Dec 2026
US 8,102,534	Lapsed on the fee record Jan 2016	Jan 2016
US 8,310,680	this patent Feb 2026	Feb 2026

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.

Recorded	Assignor	Assignee	Conveyance
Sep 27, 2012 Reel 29036, frame 649	Searete LLC	The Invention Science Fund I LLC	Assignment of Assignor's Interest
Jan 15, 2016 Reel 37540, frame 628	The Invention Science Fund I, LLC	Deep Science, LLC	Assignment of Assignor's Interest
Sep 18, 2023 Reel 64943, frame 1	Deep Science LLC	Enterprise Science Fund, LLC	Assignment of Assignor's Interest

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.

Citations

later US patents cite this one

That is below the median of utility patents granted in 2012 in our data, the only group it is compared against. How we rank

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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