Term ends Aug 2, 2028 · High confidence
20-year base term ends Nov 10, 2026
Held by Malikie Innovations Limited
Filed Nov 10, 2006 as application 11/558,542 · Granted Oct 11, 2011
Base term plus 631 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Nov 10, 2006
Nov 10, 2006
Term ends
Aug 2, 2028
Aug 2, 2028
Granted
Oct 11, 2011
Oct 11, 2011
base term
patent term adjustment
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
631
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
4
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 runs 631 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Nov 10, 2006, when this application, 11/558,542, was filed | Nov 10, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +631 days, USPTO patent term adjustment record | Aug 2, 2028 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 2, 2028 | High confidence |
This family
| US 8,035,534 | this patent Aug 2028 | Aug 2028 |
| US 8,184,022 | Term ended Nov 2026 | Nov 2026 |
| US 8,358,225 | Term ended Nov 2026 | Nov 2026 |
| US 9,275,045 | In force Jan 2027 | Jan 2027 |
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 |
|---|---|---|---|
| Nov 14, 2006 Reel 18513, frame 881 | Scott, Sherryl Lee Lorraine | Research in Motion Limited | Assignment of Assignor's Interest |
| Oct 14, 2014 Reel 33987, frame 576 | Research in Motion Limited | BlackBerry Limited | Change of Name |
| Jun 16, 2023 Reel 64104, frame 103 | BlackBerry Limited | Malikie Innovations Limited | Assignment of Assignor's Interest |
| Jun 19, 2023 Reel 64269, frame 1 | BlackBerry Limited | Malikie Innovations Limited | Nunc Pro Tunc 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
Aug 2028
Term ends Aug 2, 2028. No further fees fall due before then
Note
The 631 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
11
later US patents cite this one
That is above the median of utility patents granted in 2011 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.