Term ends Sep 30, 2035 · Medium confidence

Computed 20-year base term

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

Held by Hitachi Vantara, Ltd.

Filed Oct 20, 2022 as application 17/969,763 · Granted Jan 30, 2024

Base term, 20 years from filing

Today

20 years from filing

Term ends Sep 30, 2035

2015 2035

Clock starts
Sep 30, 2015

Term ends
Sep 30, 2035

Granted
Jan 30, 2024

base term 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

None

Term adjustment

No prosecution delay on this record.

None

Terminal disclaimer

No disclaimer on this record.

0 of 2

Maintenance fees paid

Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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. 0 of 2 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 Sep 30, 2015, when application PCT/JP2015/077853, the earliest non-provisional in its chain, was filed (this one was filed Oct 20, 2022); a parent in its chain could not be resolved (the next row)	Sep 30, 2035	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	0 of 2 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Sep 30, 2035	Medium confidence

This family

US 10,185,624	In force Sep 2035	Sep 2035
US 10,496,479	In force Sep 2035	Sep 2035
US 11,036,585	In force Oct 2035	Oct 2035
US 11,487,619	In force Sep 2035	Sep 2035
US 11,886,294	this patent Sep 2035	Sep 2035

5 of 7 applications in this family shown, earliest filings first. 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
Aug 20, 2024 Reel 69518, frame 761	Hitachi, Ltd.	Hitachi Vantara, Ltd.	Company Split

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

Sep 2035

Term ends Sep 30, 2035. Maintenance fees still fall due before then

Citations

later US patent cites this one

Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it. 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.

Distributed Storage System