Term ended Apr 9, 2025 · High confidence

Computed 20-year base term

USPTO later recorded it as expired for non-payment on Apr 13, 2026.

Held by Analytical Technologies, LLC

Filed Jun 26, 2014 as application 14/316,472 · Granted Mar 6, 2018

Base term plus 600 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ended Apr 9, 2025

2003 2026

Clock starts
Aug 18, 2003

Term ended
Apr 9, 2025

Granted
Mar 6, 2018

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

600

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 1

Maintenance fees paid

One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it 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 runs 600 days past its 20-year base term on 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 Aug 18, 2003, when application 10/642,841, the earliest non-provisional in its chain, was filed (this one was filed Jun 26, 2014)	Aug 18, 2023	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+600 days, USPTO patent term adjustment record	Apr 9, 2025	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	1 of 1 maintenance fees paid	term ended	High confidence
USPTO status record	Recorded as expired for non-payment on Apr 13, 2026, after the term ended	no change	High confidence
Computed term end	The steps above, in order	Apr 9, 2025	High confidence

This family

US 8,224,700	Term ended Nov 2026	Nov 2026
US 8,799,083	Term ended Nov 2023	Nov 2023
US 9,911,164	this patent Apr 2025	Apr 2025
US 10,783,596	Term ended Dec 2023	Dec 2023
Application 17/022,309	Abandoned not computed	not computed

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
Nov 16, 2022 Reel 61789, frame 443	Silver, Andrew, MR.	Analytical 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 600 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

later US patents cite this one

That is above the median of utility patents granted in 2018 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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