Term ended Nov 3, 2026 · High confidence
20-year base term ended Sep 13, 2026
Filed Mar 5, 2008 as application 11/991,459 · Granted Oct 25, 2011
Base term plus 51 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 3, 2026
2006
2026
Clock starts
Sep 13, 2006
Sep 13, 2006
Term ended
Nov 3, 2026
Nov 3, 2026
Granted
Oct 25, 2011
Oct 25, 2011
base term
patent term adjustment
after the term ends
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
51
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.
38
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 51 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Sep 13, 2006, when application PCT/CA2006/001505, the earliest non-provisional in its chain, was filed (this one was filed Mar 5, 2008) | Sep 13, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +51 days, USPTO patent term adjustment record | Nov 3, 2026 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 3, 2026 | High confidence |
This family
| Application 19/598,121 | Pending not computed | not computed |
| US 7,947,436 | Lapsed on the fee record May 2015 | May 2015 |
| US 8,044,179 | this patent Nov 2026 | Nov 2026 |
| US 8,216,582 | In force Aug 2028 | Aug 2028 |
| US 8,426,562 | Term ended Nov 2026 | Nov 2026 |
| Application 13/082,107 | Abandoned not computed | not computed |
| US 9,855,291 | Lapsed on the fee record Jan 2026 | Jan 2026 |
| US 8,580,257 | Lapsed on the fee record Nov 2025 | Nov 2025 |
8 of 38 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 |
|---|---|---|---|
| Jan 21, 2009 Reel 22138, frame 960 | McCourt, Maureen D. O'connor; Cantine, Christiane; Ekiel, Irena; Lenferink, Anne E.g. | National Research Council of Canada | Assignment of Assignor's Interest |
| Jan 10, 2014 Reel 31968, frame 937 | Alethia Biotherapeutics Inc./Alethia Biotherapeutiques Inc. | Ibc Generium LLC | Deed of Hypothec on Specific Universalities of Movable Property |
| Mar 25, 2015 Reel 35251, frame 608 | National Research Council of Canada | Alethia Biotherapeutics Inc. | License |
| Nov 20, 2023 Reel 65622, frame 749 | Joint-Stock Company Generium | Alethia Biotherapeutics Inc. | Release of 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
Note
The 51 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is below 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.