Volterra Semiconductor LLC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 8 name spellings.
43
Ending by 2030
Mar 2027
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 2 fees due Dec 25 to 30, 2026 · next Dec 25
- 1 fee due Jan 14, 2027The maintenance fee for Integrated circuits including magnetic devices (US 9,083,332) comes due Jan 14, 2027. Unpaid by Jul 14, 2027, it lapses early.
- 2 fees due Feb 4 to 11, 2027 · next Feb 4
- 2 fees due Mar 22 to 29, 2027 · next Mar 22
- 1 fee due Apr 13, 2027The maintenance fee for Vertical Gate Ldmos Device (US 9,159,804) comes due Apr 13, 2027. Unpaid by Oct 13, 2027, it lapses early.
- 2 fees due May 3 to 24, 2027 · next May 3
- 2 fees due Jun 1 to 29, 2027 · next Jun 1
- 1 fee due Jul 2, 2027The maintenance fee for Magnetic devices for power converters with light load enhancers (US 11,862,389) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 3 fees due Aug 2 to 16, 2027 · next Aug 2
- 6 fees due Sep 1 to 22, 2027 · next Sep 1
- 1 fee due Oct 12, 2027The maintenance fee for Switching circuits for extracting power from an electric power source and associated methods (US 9,312,769) comes due Oct 12, 2027. Unpaid by Apr 12, 2028, it lapses early.
- 2 fees due Nov 3 to 10, 2027 · next Nov 3
Recent changes
- 5 terms have ended since Aug 17, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,671,411 | Lateral double-diffused MOSFET transistor with a lightly doped source In force · From the USPTO record | In force | From the USPTO record | |
| US 8,071,436 | Method of fabricating a semiconductor device having a lateral double diffused MOSFET transistor with a lightly doped source and CMOS transistor In force · From the USPTO record | In force | From the USPTO record | |
| US 8,314,461 | Semicoductor device having a lateral double diffused MOSFET transistor with a lightly doped source and a CMOS transistor In force · From the USPTO record | In force | From the USPTO record | |
| US 7,522,436 | Master-slave with adaptation control including slave current checking In force · From the USPTO record | In force | From the USPTO record | |
| US 7,514,909 | Voltage regulator with communication ring scheme In force · From the USPTO record | In force | From the USPTO record | |
| US 7,616,463 | Voltage regulator with common s-phase signals and phase lock loops In force · From the USPTO record | In force | From the USPTO record | |
| US 7,868,378 | Methods and apparatus for LDMOS transistors In force · From the USPTO record | In force | From the USPTO record | |
| US 7,688,607 | Voltage regulator with inductor banks In force · From the USPTO record | In force | From the USPTO record | |
| US 7,989,953 | Flip chip power switch with under bump metallization stack In force · From the USPTO record | In force | From the USPTO record | |
| US 8,169,081 | Conductive routings in integrated circuits using under bump metallization In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 127: 14 lapsed for an unpaid fee · 81 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
6 no status recorded