Lapsed Mar 6, 2024 on the fee record · High confidence
20-year base term ended Jun 23, 2024
Third maintenance fee unpaid; grace period ended.
Held by Psemi Corporation
Filed Aug 7, 2006 as application 11/501,125 · Granted Mar 6, 2012
USPTO first gave this application the number US 7,937,062 and withdrew it before it issued. That number now leads here.
Base term, 20 years from filing, plus 960 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Mar 6, 2024
2004
2026
Clock starts
Jun 23, 2004
Jun 23, 2004
No longer in force
Mar 6, 2024
Mar 6, 2024
Granted
Mar 6, 2012
Mar 6, 2012
Term would have run to
Jun 23, 2024
Jun 23, 2024
base term
after the term ends
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
960
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,248,120.
2 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.
56
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Jun 23, 2024: its 20-year base term plus 960 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Jun 23, 2004, when application 10/875,405, the earliest non-provisional in its chain, was filed (this one was filed Aug 7, 2006) | Jun 23, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +960 days, USPTO patent term adjustment record | Feb 8, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,248,120) | capped to Jun 23, 2024 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Mar 6, 2024 | High confidence |
| Computed term end | The steps above, in order | Mar 6, 2024 | High confidence |
This family
| US 6,737,900 | Term ended Apr 2022 | Apr 2022 |
| US 7,719,343 | Term ended Feb 2025 | Feb 2025 |
| US 7,248,120 | Term ended Jun 2024 | Jun 2024 |
| US 7,613,442 | In force Sep 2027 | Sep 2027 |
| US 7,088,971 | Term ended Jun 2024 | Jun 2024 |
| US 8,081,928 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 7,619,462 | In force Jul 2027 | Jul 2027 |
| US 8,131,251 | this patent Mar 2024 | Mar 2024 |
8 of 56 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 |
|---|---|---|---|
| Jan 24, 2018 Reel 45749, frame 391 | Peregrine Semiconductor Corporation | Psemi Corporation | Change of Name |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 960 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,248,120.
Citations
68
later US patents cite this one
That is top 10% of utility patents granted in 2012 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.