Psion Inc.
4 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
39
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 2, 2026The maintenance fee for Replacement battery indicator on a battery powered device (US 9,048,514) comes due Dec 2, 2026. Unpaid by Jun 2, 2027, it lapses early.
- 2 fees due Jan 14, 2027
- 2 fees due Mar 8 to 15, 2027 · next Mar 8
- 1 fee due Apr 6, 2027The maintenance fee for Antenna apparatus for determining the position of a radio-frequency transponder (US 9,151,819) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, it lapses early.
- 1 fee due Aug 2, 2027The maintenance fee for Method and system for reducing self-interference in a handheld communication device (US 9,250,281) comes due Aug 2, 2027. Unpaid by Feb 2, 2028, it lapses early.
Recent changes
- 3 terms have ended 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 D673,955 | Handheld computer In force · From the USPTO record | In force | From the USPTO record | |
| US D674,796 | Portable housing In force · From the USPTO record | In force | From the USPTO record | |
| US 8,745,223 | System and method of distributed license management In force · From the USPTO record | In force | From the USPTO record | |
| US 7,915,866 | Supercapacitor backup power supply with bi-directional power flow In force · From the USPTO record | In force | From the USPTO record | |
| US 7,570,917 | Bluetooth communication through a single virtual port In force · From the USPTO record | In force | From the USPTO record | |
| US 7,830,443 | Dual mode image engine In force · From the USPTO record | In force | From the USPTO record | |
| US 7,483,561 | Miniaturized imaging module construction technique In force · From the USPTO record | In force | From the USPTO record | |
| US 8,145,810 | System and method for managing communication ports on a computer device In force · From the USPTO record | In force | From the USPTO record | |
| US D703,671 | Accessory sleeve In force · From the USPTO record | In force | From the USPTO record | |
| US 7,961,097 | RFID Based Monitoring System and Method In force · High confidence | In force | High confidence |
Also on record, not counted in the 83: 4 patents in force now held by others · 4 lapsed for an unpaid fee · 34 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 no status recorded