Term ends May 4, 2031 · High confidence
20-year base term ends Nov 9, 2027
Held by Arxium Inc.
Filed Nov 9, 2007 as application 11/937,846 · Granted Sep 18, 2012
Base term plus 1272 days of patent term adjustment (USPTO delay)
Today
2007
2031
Clock starts
Nov 9, 2007
Nov 9, 2007
Term ends
May 4, 2031
May 4, 2031
Granted
Sep 18, 2012
Sep 18, 2012
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
1,272
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.
9
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 1272 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 Nov 9, 2007, when this application, 11/937,846, was filed | Nov 9, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1272 days, USPTO patent term adjustment record | May 4, 2031 | 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 | May 4, 2031 | High confidence |
This family
| US 7,610,115 | In force Apr 2028 | Apr 2028 |
| US 7,783,383 | In force Aug 2028 | Aug 2028 |
| US 8,267,129 | this patent May 2031 | May 2031 |
| US 7,931,859 | In force Apr 2027 | Apr 2027 |
| US 8,571,708 | Term ended Aug 2026 | Aug 2026 |
| US 7,930,066 | Term ended Dec 2025 | Dec 2025 |
| US 9,043,019 | Term ended Oct 2026 | Oct 2026 |
| US 8,182,744 | Term ended Dec 2025 | Dec 2025 |
8 of 9 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 |
|---|---|---|---|
| Nov 12, 2007 Reel 20096, frame 602 | Doherty, Thom; Eliuk, Walter W.; Jones, Richard L. | Intelligent Hospital Systems Ltd. | Assignment of Assignor's Interest |
| Aug 28, 2008 Reel 21455, frame 793 | Doherty, Thom; Eliuk, Walter W.; Jones, Richard L. | Intelligent Hospital Systems Ltd. | Assignment of Assignor's Interest |
| Sep 1, 2015 Reel 36464, frame 767 | Intelligent Hospital Systems Ltd. | Intelligent Hospital Systems Inc. | Assignment of Assignor's Interest |
| Feb 5, 2016 Reel 37732, frame 133 | Intelligent Hospital Systems Inc. | Arxium Inc. | Change of Name |
| Jun 3, 2016 Reel 38874, frame 743 | Intelligent Hospital Systems Inc. | Arxium Inc. | Corrective Assignment to Correct the Assignee Address Previously Recorded on Reel 037732 Frame 0133. Assignor(S) Hereby Confirms the Change of Name. |
| Jan 26, 2017 Reel 41088, frame 432 | Arxium Inc. | Royal Bank of Canada | Security Interest |
| May 22, 2020 Reel 52741, frame 463 | Royal Bank of Canada | Arxium, 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.
What's changing
May 2031
Term ends May 4, 2031. No further fees fall due before then
Note
The 1272 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
128
later US patents cite this one
That is top 5% 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.