Prolific Technology Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
15
Ending by 2030
Jan 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.
- 1 fee due Dec 30, 2026The maintenance fee for Replacement of inbox driver with third party driver (US 9,069,572) comes due Dec 30, 2026. Unpaid by Jun 30, 2027, it lapses early.
- 1 fee due Feb 6, 2027The maintenance fee for USB hub (US 10,372,652) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 2 fees due May 10 to 21, 2027 · next May 10
- 2 fees due Jun 8 to 10, 2027 · next Jun 8
- 3 fees due Sep 22 to 30, 2027 · next Sep 22
Recent changes
- 2 of the patents on this record were granted since Aug 16, 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 7,895,386 | USB interface provided with host/device function and its control method In force · From the USPTO record | In force | From the USPTO record | |
| US 7,482,884 | Ring oscillator with a two-stage phase blender for generating multi-phase clock signals In force · From the USPTO record | In force | From the USPTO record | |
| US 7,480,758 | Method and apparatus for automatically switching between USB host and device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,600,168 | Apparatus with programmable scan chains for multiple chip modules and method for programming the same In force · From the USPTO record | In force | From the USPTO record | |
| US 7,761,647 | Storage device with automatic interface-switching function In force · From the USPTO record | In force | From the USPTO record | |
| US 7,649,329 | Method and circuit for controlling motor and brushless motor system using the same In force · From the USPTO record | In force | From the USPTO record | |
| US 7,772,921 | Filter and filtering method In force · From the USPTO record | In force | From the USPTO record | |
| US 7,817,075 | Apparatus for converting MEMS inductive capacitance In force · From the USPTO record | In force | From the USPTO record | |
| US 8,209,452 | External device having a virtual storage device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,924,209 | Self-calibration circuit and method for capacitors In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 49: 16 lapsed for an unpaid fee · 20 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.
1 abandoned · 21 no status recorded