Term ends Oct 28, 2028 · High confidence
20-year base term ended Jun 15, 2025
Held by BlackBerry Limited
Filed Jun 15, 2005 as application 11/152,922 · Granted May 1, 2012
Base term plus 1231 days of patent term adjustment (USPTO delay)
Today
2005
2028
Clock starts
Jun 15, 2005
Jun 15, 2005
Term ends
Oct 28, 2028
Oct 28, 2028
Granted
May 1, 2012
May 1, 2012
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,231
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.
5
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 1231 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 Jun 15, 2005, when this application, 11/152,922, was filed | Jun 15, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1231 days, USPTO patent term adjustment record | Oct 28, 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 | Oct 28, 2028 | High confidence |
This family
| US 8,170,875 | this patent Oct 2028 | Oct 2028 |
| US 8,165,880 | In force Dec 2026 | Dec 2026 |
| US 8,311,819 | Term ended May 2026 | May 2026 |
| US 8,554,564 | Term ended Jun 2025 | Jun 2025 |
| US 8,457,961 | Lapsed on the fee record Jun 2025 | Jun 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 |
|---|---|---|---|
| Jun 15, 2005 Reel 16702, frame 510 | Hetherington, Phil; Escott, Alex | Harman Becker Automotive Systems - Wavemakers, Inc. | Assignment of Assignor's Interest |
| Nov 14, 2006 Reel 18515, frame 376 | Harman Becker Automotive Systems - Wavemakers, Inc. | QNX Software Systems (Wavemakers), Inc. | Change of Name |
| May 8, 2009 Reel 22659, frame 743 | Harman International Industries, Incorporated; Becker Service-und Verwaltung GmbH; Crown Audio, Inc.; Harman Becker Automotive Systems (Michigan), Inc.; Harman Becker Automotive Systems Holding GmbH; Harman Becker Automotive Systems, Inc.; Harman Consumer Group, Inc.; Harman Deutschland GmbH; Harman Financial Group LLC; Harman Holding GmbH & Co. KG; Harman Music Group, Incorporated; Harman Software Technology International Beteiligungs GmbH; Harman Software Technology Management GmbH; Hbas International GmbH; Hbas Manufacturing, Inc.; Innovative Systems GmbH Navigation-Multimedia; JBL Incorporated; Lexicon, Incorporated; Margi Systems, Inc.; QNX Software Systems (Wavemakers), Inc.; QNX Software Systems Canada Corporation; QNX Software Systems Co.; QNX Software Systems GmbH; QNX Software Systems GmbH & Co. KG; QNX Software Systems International Corporation; QNX Software Systems, Inc.; XS Embedded GmbH (F/K/A Harman Becker Media Drive Technology GmbH) | Jpmorgan Chase Bank, N.a. | Security Agreement |
| Jun 3, 2010 Reel 24483, frame 45 | JPMorgan Chase Bank, N.A., as Administrative Agent | Harman International Industries, Incorporated; QNX Software Systems (Wavemakers), Inc.; QNX Software Systems GmbH & Co. KG | Partial Release of Security Interest |
| Jun 3, 2010 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Harman International Industries, Incorporated | Partial Release of Security Interest |
| Jun 3, 2010 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | QNX Software Systems (Wavemakers), Inc. | Partial Release of Security Interest |
| Jun 3, 2010 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | QNX Software Systems GmbH & Co. KG | Partial Release of Security Interest |
| Jul 9, 2010 Reel 24659, frame 370 | QNX Software Systems (Wavemakers), Inc. | QNX Software Systems Co. | Confirmatory Assignment |
| Feb 27, 2012 Reel 27768, frame 863 | QNX Software Systems Co. | QNX Software Systems Limited | Change of Name |
| Apr 4, 2014 Reel 32607, frame 674 | 8758271 Canada Inc. | 2236008 Ontario Inc. | Assignment of Assignor's Interest |
| Apr 4, 2014 Reel 32607, frame 943 | QNX Software Systems Limited | 8758271 Canada Inc. | Assignment of Assignor's Interest |
| May 22, 2020 Reel 53313, frame 315 | 2236008 Ontario Inc. | BlackBerry Limited | Assignment of Assignor's Interest |
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
Oct 2028
Term ends Oct 28, 2028. No further fees fall due before then
Note
The 1231 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
97
later US patents cite this one
That is top 10% of utility patents granted in 2012 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.