Term ends Aug 16, 2037 · Medium confidence

Computed 20-year base term

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

Held by Lapis Semiconductor Co., Ltd.

Filed May 5, 2022 as application 17/737,620 · Granted Jan 31, 2023

Base term, 20 years from filing

Today

20 years from filing

Term ends Aug 16, 2037

2017 2037

Clock starts
Aug 16, 2017

Term ends
Aug 16, 2037

Granted
Jan 31, 2023

base term 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

None

Term adjustment

No prosecution delay on this record.

None

Terminal disclaimer

No disclaimer on this record.

0 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 is its 20-year base term, with no adjustment for prosecution delay. 0 of 3 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 Aug 16, 2017, when application 15/678,153, the earliest non-provisional in its chain, was filed (this one was filed May 5, 2022); a parent in its chain could not be resolved (the next row)	Aug 16, 2037	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 3 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Aug 16, 2037	Medium confidence

This family

US 11,068,016	Lapsed on the fee record Jul 2025	Jul 2025
US 11,009,904	In force Aug 2037	Aug 2037
US 11,347,257	In force Aug 2037	Aug 2037
US 11,567,526	this patent Aug 2037	Aug 2037
US 11,907,003	In force Aug 2037	Aug 2037
Application 18/416,808	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
May 5, 2022 Reel 59831, frame 344	Matoba, Kenjiro; Yamashita, Kazuhiro	Lapis Semiconductor Co., Ltd.	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.

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

What's changing

Aug 2037

Term ends Aug 16, 2037.

Citations

later US patent cites 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.

Output Signal Generation Circuit