Also listed on Good Technology Software, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Feb 14, 2027 · High confidence
20-year base term ended Oct 28, 2025
Held by Malikie Innovations Limited
Filed Oct 28, 2005 as application 11/261,529 · Granted Aug 16, 2011
Base term plus 474 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Oct 28, 2005
Oct 28, 2005
Term ends
Feb 14, 2027
Feb 14, 2027
Granted
Aug 16, 2011
Aug 16, 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
474
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.
3
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 474 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 Oct 28, 2005, when this application, 11/261,529, was filed | Oct 28, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +474 days, USPTO patent term adjustment record | Feb 14, 2027 | 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 | Feb 14, 2027 | High confidence |
This family
| US 8,001,082 | this patent Feb 2027 | Feb 2027 |
| US 8,429,128 | Term ended Oct 2025 | Oct 2025 |
| US 9,158,829 | Term ended Oct 2025 | Oct 2025 |
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 |
|---|---|---|---|
| Jan 27, 2006 Reel 17500, frame 380 | Muratov, Alexander | TX Technology Acquisition Corporation | Assignment of Assignor's Interest |
| Jun 4, 2010 Reel 24490, frame 443 | TX Technology Corporation | Good Technology, Inc. | Assignment of Assignor's Interest |
| Nov 26, 2012 Reel 29346, frame 408 | Good Technology, Inc. | Good Technology Acquisition, Inc. | Change of Name |
| Nov 26, 2012 Reel 29346, frame 428 | Good Technology Acquisition, Inc. | Good Technology Software, Inc. | Change of Name |
| Jul 28, 2017 Reel 43364, frame 195 | Good Technology Software, Inc. | Good Technology Holdings Limited | Assignment of Assignor's Interest |
| Jan 30, 2018 Reel 45196, frame 255 | Good Technology Holdings Limited | BlackBerry Limited | Assignment of Assignor's Interest |
| Nov 18, 2021 Reel 58147, frame 250 | TX Technology Acquisition Corp. | Good Technology Software, Inc. | Assignment of Assignor's Interest |
| Jun 16, 2023 Reel 64104, frame 103 | BlackBerry Limited | Malikie Innovations Limited | Assignment of Assignor's Interest |
| Jun 19, 2023 Reel 64271, frame 199 | 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
Feb 2027
Term ends Feb 14, 2027. No further fees fall due before then
Note
The 474 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
115
later US patents cite this one
That is top 5% 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.