Also listed on Northern Innovations and Formulations Corp., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded May 27, 2026 (Blue Torch Finance, LLC).
Term ends Feb 20, 2027 · High confidence
20-year base term ends Feb 20, 2027
Filed Feb 20, 2007 as application 11/676,630 · Granted Jan 15, 2008
Base term, 20 years from filing
Today
2007
2027
Clock starts
Feb 20, 2007
Feb 20, 2007
Term ends
Feb 20, 2027
Feb 20, 2027
Granted
Jan 15, 2008
Jan 15, 2008
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
2
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 is its 20-year base term, with no adjustment for 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 Feb 20, 2007, when this application, 11/676,630, was filed | Feb 20, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 20, 2027 | High confidence |
This family
| US 7,319,157 | this patent Feb 2027 | Feb 2027 |
| US 7,511,163 | Lapsed on the fee record Mar 2021 | Mar 2021 |
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 14, 2007 Reel 19429, frame 354 | Chaudhuri, Shan; Peters, Jason; Macdougall, Joseph; Ramsbottom, James | Multi Formulations Ltd. | Assignment of Assignor's Interest |
| Aug 4, 2016 Reel 39347, frame 531 | Multi Formulations Ltd. | Northern Innovations and Formulations Corp. | Merger |
| Aug 14, 2016 Reel 39427, frame 313 | Old Northern Innovations Corp. | 2462096 Ontario Limited | Assignment of Assignor's Interest |
| Aug 14, 2016 Reel 39427, frame 326 | Old Northern Innovations Corp. | 2508304 Ontario Limited | Assignment of Assignor's Interest |
| Aug 14, 2016 Reel 39427, frame 336 | Northern Innovations Holding Corp. | Old Northern Innovations Corp. | Merger |
| Aug 14, 2016 Reel 39672, frame 851 | Northern Innovations and Formulations Corp. | Northern Innovations Holding Corp. | Merger |
| Aug 14, 2016 Reel 39672, frame 990 | 2462096 Ontario Limited | Northern Innovations Holding Corp. | Change of Name |
| Aug 14, 2016 Reel 39672, frame 994 | Northern Innovations Holding Corp. | Old Northern Innovations Corp. | Change of Name |
| Aug 14, 2016 Reel 39673, frame 27 | 2508304 Ontario Limited | Northern Innovations Holding Corp. | Change of Name |
| Apr 21, 2022 Reel 59662, frame 958 | Northern Innovations Holding Corp. | HSBC Bank Canada | Security Interest |
| Apr 26, 2022 Reel 59793, frame 777 | Northern Innovations Holding Corp. | HSBC Bank Canada | Corrective Assignment to Correct the Serial Number of Patent Number 7,645,812 to 7,465,812 Previously Recorded at Reel: 059662 Frame: 0958. Assignor(S) Hereby Confirms the Security Agreement. |
| Sep 30, 2024 Reel 69072, frame 683 | Royal Bank of Canada; HSBC Trust Company (Canada); HSBC Mortgage Corporation (Canada); HSBC Finance Mortgages Inc.; HSBC Bank Canada + 4 Others Noted Above in 'Conveying Party Data' | Royal Bank of Canada/Banque Royale du Canada | Merger and Change of Name |
| May 27, 2026 Reel 74774, frame 294 | Northern Innovations Holding Corp. | Blue Torch Finance, LLC | Security Interest |
| May 28, 2026 Reel 75641, frame 893 | Lovate Health Sciences International Inc.; Northern Innovations Holding Corp.; Lovate Heath Sciences U.S.A. Inc. | FGI Worldwide LLC | Security Agreement |
| May 29, 2026 Reel 75647, frame 267 | Royal Bank of Canada | Northern Innovations Holding Corp. | 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.
What's changing
Feb 2027
Term ends Feb 20, 2027. No further fees fall due before then
Citations
4
later US patents cite this one
That is below the median of utility patents granted in 2008 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.