Term ends May 4, 2032 · High confidence
20-year base term ends May 4, 2032
Held by Psemi Corporation
Filed Oct 14, 2014 as application 14/513,747 · Granted Jun 7, 2016
Base term, 20 years from filing
Today
2012
2032
Clock starts
May 4, 2012
May 4, 2012
Term ends
May 4, 2032
May 4, 2032
Granted
Jun 7, 2016
Jun 7, 2016
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
25
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. 2 of 3 maintenance fees are 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 4, 2012, when application PCT/US2012/036455, the earliest non-provisional in its chain, was filed (this one was filed Oct 14, 2014) | May 4, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 4, 2032 | High confidence |
This family
| Application PCT/US2012/036455 | PCT application no patent term | no patent term |
| US 8,860,396 | In force May 2032 | May 2032 |
| US 9,362,826 | this patent May 2032 | May 2032 |
| US 9,882,471 | Lapsed on the fee record Jan 2026 | Jan 2026 |
| US 9,712,051 | In force May 2032 | May 2032 |
| Application PCT/US2017/023191 | PCT application no patent term | no patent term |
| US 10,389,235 | In force May 2032 | May 2032 |
| US 10,326,358 | In force Oct 2032 | Oct 2032 |
8 of 25 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 |
|---|---|---|---|
| Oct 14, 2014 Reel 33945, frame 444 | Giuliano, David M. | Arctic Sand Technologies, Inc. | Assignment of Assignor's Interest |
| May 11, 2016 Reel 38549, frame 966 | Arctic Sand Technologies, Inc. | Pacific Western Bank | Security Interest |
| Apr 5, 2017 Reel 41862, frame 180 | Pacific Western Bank | Arctic Sand Technologies, Inc. | Release of Security Interest |
| Sep 5, 2017 Reel 43754, frame 354 | Arctic Sand Technologies, Inc. | Peregrine Semiconductor Corporation | Assignment of Assignor's Interest |
| Feb 1, 2018 Reel 45221, frame 321 | Peregrine Semiconductor Corporation | Psemi Corporation | Change of Name |
| Sep 15, 2023 Reel 64919, frame 140 | Giuliano, David M. | Arctic Sand Technologies, Inc. | Corrective Assignment to Correct the Assignee's Internal Address Suite Number on the Cover Sheet Previously Recorded at Reel: 033945 Frame: 0444. Assignor(S) Hereby Confirms the Assignment. |
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
May 2032
Term ends May 4, 2032. Maintenance fees still fall due before then
Citations
37
later US patents cite this one
That is top 10% of utility patents granted in 2016 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.