Term ends Sep 26, 2033 · High confidence
20-year base term ends Mar 15, 2033
Held by Malikie Innovations Limited
Filed Mar 15, 2013 as application 13/842,550 · Granted Oct 6, 2015
Base term plus 195 days of patent term adjustment (USPTO delay)
Today
2013
2033
Clock starts
Mar 15, 2013
Mar 15, 2013
Term ends
Sep 26, 2033
Sep 26, 2033
Granted
Oct 6, 2015
Oct 6, 2015
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
195
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
62
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 195 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Mar 15, 2013, when this application, 13/842,550, was filed | Mar 15, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +195 days, USPTO patent term adjustment record | Sep 26, 2033 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 26, 2033 | High confidence |
This family
| Application 11/245,756 | Abandoned not computed | not computed |
| US 7,758,185 | Term ended Oct 2025 | Oct 2025 |
| US 7,918,556 | Lapsed on the fee record Apr 2023 | Apr 2023 |
| US 8,353,594 | Lapsed on the fee record Jan 2025 | Jan 2025 |
| US 9,010,929 | Term ended Oct 2025 | Oct 2025 |
| US 9,155,077 | this patent Sep 2033 | Sep 2033 |
| US 11,428,937 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 8,696,113 | Term ended Oct 2025 | Oct 2025 |
8 of 62 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Mar 11, 2015 Reel 35138, frame 861 | Cai, Zhijun; Song, Yi | BlackBerry Corporation | Assignment of Assignor's Interest |
| Mar 11, 2015 Reel 35178, frame 144 | Bontu, Chandra Sekhar | BlackBerry Limited | Assignment of Assignor's Interest |
| Mar 23, 2015 Reel 35247, frame 131 | BlackBerry Corporation | BlackBerry Limited | Assignment of Assignor's Interest |
| Apr 27, 2023 Reel 63471, frame 474 | BlackBerry Limited | OT Patent Escrow, LLC | Assignment of Assignor's Interest |
| Jun 16, 2023 Reel 64015, frame 1 | OT Patent Escrow, LLC | Malikie Innovations Limited | Nunc Pro Tunc Assignment |
| Jun 19, 2023 Reel 64066, frame 1 | BlackBerry Limited | Malikie Innovations Limited | Nunc Pro Tunc Assignment |
| Sep 5, 2023 Reel 64806, frame 669 | BlackBerry Limited | OT Patent Escrow, LLC | Corrective Assignment to Correct the Cover Sheet at Page 50 to Remove 12817157 Previously Recorded on Reel 063471 Frame 0474. Assignor(S) Hereby Confirms the Assignment. |
| Sep 5, 2023 Reel 64807, frame 1 | OT Patent Escrow, LLC | Malikie Innovations Limited | Corrective Assignment to Correct 12817157 Application Number Previously Recorded at Reel: 064015 Frame: 0001. Assignor(S) Hereby Confirms the Assignment. |
| Feb 2, 2026 Reel 74921, frame 1 | BlackBerry Limited | Malikie Innovations Limited | Corrective Assignment to Correct the Added Patent Number to Remove Patent No. 8,873,407 at Previously Recorded on Reel 64066 Frame 1. Assignor(S) Hereby Confirms the Nunc Pro Tunc Assignment Effective Date March 20, 2023. |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Sep 2033
Term ends Sep 26, 2033. Maintenance fees still fall due before then
Note
The 195 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
37
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.