Lapsed Dec 3, 2025 on the fee record · High confidence

Computed 20-year base term

Third maintenance fee unpaid; grace period ended.

Held by Tyler Fusion Technologies, LLC

Filed Jan 19, 2007 as application 11/655,737 · Granted Dec 3, 2013

Base term, 20 years from filing, plus 1350 days of patent term adjustment (USPTO delay)

Today

Lapsed Dec 3, 2025

2007 2030

Clock starts
Jan 19, 2007

No longer in force
Dec 3, 2025

Granted
Dec 3, 2013

Term would have run to
Sep 30, 2030

base term patent term adjustment 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

1,350

Days of term adjustment

Read from the USPTO patent term adjustment record, not recalculated here.

None

Terminal disclaimer

No disclaimer on this record.

2 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.

Its term would have run to Sep 30, 2030: its 20-year base term plus 1350 days of term adjustment for prosecution delay. Confidence: High. 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 Jan 19, 2007, when this application, 11/655,737, was filed	Jan 19, 2027	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+1350 days, USPTO patent term adjustment record	Sep 30, 2030	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	2 of 3 maintenance fees paid	lapsed Dec 3, 2025	High confidence
Computed term end	The steps above, in order	Dec 3, 2025	High confidence

This family

US 7,959,677	Lapsed on the fee record Jun 2019	Jun 2019
US 9,066,811	In force Apr 2028	Apr 2028
US 8,597,358	this patent Dec 2025	Dec 2025
US 8,940,022	Lapsed on the fee record Jan 2019	Jan 2019
US 8,377,098	Lapsed on the fee record Feb 2021	Feb 2021
Application PCT/US2008/051346	PCT application no patent term	no patent term

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
Apr 5, 2007 Reel 19166, frame 721	Landry, Michael E.; Wagner, Erik J.; Schular, Michael	Flexuspine, Inc.	Assignment of Assignor's Interest
Sep 26, 2023 Reel 65025, frame 374	Flexuspine, Inc.	Tyler Fusion Technologies, 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.

What's changing

Note

The 1350 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

116

later US patents cite this one

That is top 5% of utility patents granted in 2013 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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