Term ends May 16, 2033 · High confidence

Computed 20-year base term

Held by F3 Tech, LLC.

Filed Apr 23, 2018 as application 15/960,490 · Granted Feb 9, 2021

Base term plus 15 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends May 16, 2033

2013 2033

Clock starts
May 1, 2013

Term ends
May 16, 2033

Granted
Feb 9, 2021

base term patent term adjustment 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

Days of term adjustment

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

No effect

Terminal disclaimer

Resolved from the filed document, referencing US 9,949,523, to May 16, 2033. The term already ends on or before that date, so the cap shortened nothing.

1 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 runs 15 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is paid so far. 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 May 1, 2013, when application 13/874,808, the earliest non-provisional in its chain, was filed (this one was filed Apr 23, 2018)	May 1, 2033	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+15 days, USPTO patent term adjustment record	May 16, 2033	High confidence
Terminal disclaimer cap	Disclaimer resolved from the filed document (refs US 9,949,523)	resolves to May 16, 2033, no earlier than this term, so no change	High confidence
Patent term extension	None on file	no change	High confidence
Fee events	1 of 3 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	May 16, 2033	High confidence

This family

Application 13/874,808	Abandoned not computed	not computed
Application PCT/US2014/036418	PCT application no patent term	no patent term
US 9,949,523	In force Apr 2034	Apr 2034
US 10,912,345	this patent May 2033	May 2033
US 11,992,076	In force May 2033	May 2033
Application 18/676,426	Pending not computed	not computed

The applications whose file history this site holds. The family may have others.

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

May 2033

Term ends May 16, 2033. Maintenance fees still fall due before then

Note

The 15 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Terminal disclaimer

A terminal disclaimer resolved from the filed document, referencing US 9,949,523, ends no earlier than this term, so it caps nothing.

Citations

later US patents cite this one

That is above the median of utility patents granted in 2021 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.

In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.

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