Collateral for a security interest recorded Jul 30, 2020 (National Bank of Canada).
Term ends Mar 16, 2030 · Medium confidence
20-year base term ends Oct 11, 2028
Why Medium: A parent in the chain could not be resolved.
Held by D-Box Technologies Inc.
Filed Oct 3, 2011 as application 13/251,402 · Granted Jul 14, 2015
Base term plus 521 days of patent term adjustment (USPTO delay)
Today
2008
2030
Clock starts
Oct 11, 2008
Oct 11, 2008
Term ends
Mar 16, 2030
Mar 16, 2030
Granted
Jul 14, 2015
Jul 14, 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
521
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 521 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 11, 2008, when application 12/249,919, the earliest non-provisional in its chain, was filed (this one was filed Oct 3, 2011); a parent in its chain could not be resolved (the next row) | Oct 11, 2028 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +521 days, USPTO patent term adjustment record | Mar 16, 2030 | 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 | Mar 16, 2030 | Medium confidence |
This family
| US 7,934,773 | In force May 2029 | May 2029 |
| US 8,657,376 | In force Jun 2029 | Jun 2029 |
| US 9,078,523 | this patent Mar 2030 | Mar 2030 |
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 |
|---|---|---|---|
| Oct 5, 2011 Reel 27018, frame 165 | Menard, Jean-francois; Senecal, Pierre; Simoneau, Martin; Trottier, Sylvain | D-Box Technologies Inc. | Assignment of Assignor's Interest |
| Jul 30, 2020 Reel 53349, frame 886 | D-Box Technologies Inc. / Technologies D-Box Inc. | National Bank of Canada | Security Interest |
| Jul 30, 2020 Reel 53349, frame 911 | D-Box Technologies Inc. / Technologies D-Box Inc. | Business Development Bank of Canada | Security 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
Mar 2030
Term ends Mar 16, 2030. No further fees fall due before then
Note
The 521 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
7
later US patents cite this one
That is above the median 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.