Leapfrog Enterprises, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 7 name spellings.
14
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.
- 2 fees due Sep 29 to 30, 2027 · next Sep 29
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
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 D674,387 | Tablet learning apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 8,025,504 | Display apparatus for teaching writing In force · From the USPTO record | In force | From the USPTO record | |
| US D690,303 | Educational apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US D700,000 | Hand-held learning apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 8,671,158 | Method and apparatus for editing, filtering, ranking and approving content In force · From the USPTO record | In force | From the USPTO record | |
| US 9,300,675 | Method and Apparatus for Custodial Monitoring, Filtering, and Approving of Content In force · High confidence | In force | High confidence | |
| US 8,504,615 | Method and apparatus for navigation and use of a computer network In force · From the USPTO record | In force | From the USPTO record | |
| US D729,803 | Controller In force · From the USPTO record | In force | From the USPTO record | |
| US 8,171,107 | Method and apparatus for editing, filtering, ranking, and approving content In force · From the USPTO record | In force | From the USPTO record | |
| US 8,868,741 | Method and Apparatus for Custodial Monitoring, Filtering, and Approving of Content In force · High confidence | In force | High confidence |
Also on record, not counted in the 26: 37 lapsed for an unpaid fee · 63 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.
37 no status recorded