Term ends Jun 26, 2031 · Medium confidence

Computed 20-year base term

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

Held by Nintendo Co., Ltd.

Filed Nov 8, 2021 as application 17/521,372 · Granted Sep 5, 2023

Base term plus 144 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Jun 26, 2031

2011 2031

Clock starts
Feb 2, 2011

Term ends
Jun 26, 2031

Granted
Sep 5, 2023

base term patent term adjustment 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

144

Days of term adjustment

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

None

Terminal disclaimer

No disclaimer on this record.

0 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 144 days past its 20-year base term on prosecution delay. 0 of 1 maintenance fees are paid so far. 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 2, 2011, when applications 13/019,924 and 13/019,928, the earliest non-provisional applications in its chain, were filed (this one was filed Nov 8, 2021); a parent in its chain could not be resolved (the next row)	Feb 2, 2031	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	+144 days, USPTO patent term adjustment record	Jun 26, 2031	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	0 of 1 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Jun 26, 2031	Medium confidence

This family

US 8,961,305	In force Feb 2031	Feb 2031
US 8,317,615	In force Feb 2031	Feb 2031
US 8,913,009	In force no later than Jul 2032	no later than Jul 2032
US 8,814,686	Lapsed on the fee record Aug 2026	Aug 2026
US 9,776,083	In force May 2031	May 2031
US 10,449,444	In force Mar 2031	Mar 2031
US 11,173,392	In force Jul 2031	Jul 2031
US 11,745,097	this patent Jun 2031	Jun 2031

8 of 10 applications in this family shown, earliest filings first. 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.

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

What's changing

Jun 2031

Term ends Jun 26, 2031. Maintenance fees still fall due before then

Note

The 144 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 below the median of utility patents granted in 2023 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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