Also listed on E-Pro Services Pty Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Aug 31, 2027 · High confidence
20-year base term ended Jun 21, 2024
Held by ResMed Pty Ltd.
Filed Dec 29, 2006 as application 10/533,940 · Granted Aug 30, 2011
Base term plus 1166 days of patent term adjustment (USPTO delay)
Today
2004
2027
Clock starts
Jun 21, 2004
Jun 21, 2004
Term ends
Aug 31, 2027
Aug 31, 2027
Granted
Aug 30, 2011
Aug 30, 2011
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
1,166
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.
22
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 1166 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 21, 2004, when application PCT/AU2004/000810, the earliest non-provisional in its chain, was filed (this one was filed Dec 29, 2006) | Jun 21, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1166 days, USPTO patent term adjustment record | Aug 31, 2027 | 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 | Aug 31, 2027 | High confidence |
This family
| US 8,006,691 | this patent Aug 2027 | Aug 2027 |
| US 10,293,125 | Term ended Jun 2024 | Jun 2024 |
| US 8,020,551 | Term ended no later than Jun 2024 | no later than Jun 2024 |
| US 8,028,693 | Lapsed on the fee record Oct 2023 | Oct 2023 |
| US 8,042,535 | Surrendered on reissue Sep 2017 | Sep 2017 |
| US 9,227,035 | Lapsed on the fee record Jan 2024 | Jan 2024 |
| US 9,038,631 | Term ended Jun 2024 | Jun 2024 |
| US 9,038,632 | Term ended Jun 2024 | Jun 2024 |
8 of 22 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 |
|---|---|---|---|
| Oct 7, 2008 Reel 21657, frame 972 | Trevor-wilson, Duncan Lovel | ResMed Limited | Assignment of Assignor's Interest |
| Oct 7, 2008 Reel 21657, frame 975 | John Snow & Company Pty Limited | ResMed Limited | Assignment of Assignor's Interest |
| Oct 7, 2008 Reel 21657, frame 981 | E-Pro Services Pty Ltd. | ResMed Limited | Assignment of Assignor's Interest |
| Oct 7, 2008 Reel 21657, frame 984 | Sapula, Marek Tomasz | ResMed Limited | Assignment of Assignor's Interest |
| Oct 7, 2008 Reel 21675, frame 263 | Snow, John Michael | John Snow & Company Pty Limited | Assignment of Assignor's Interest |
| Oct 7, 2008 Reel 21675, frame 266 | Kenyon, Barton John; Yee, Arthur Kin-wai; Primrose, Rohan Neil; Crumblin, Geoffrey; Lithgow, Perry David; Virr, Alexander; Richmond, Donald Angus; Payne, Mark John | ResMed Limited | Assignment of Assignor's Interest |
| Oct 7, 2008 Reel 21675, frame 340 | Saada, Jim | E-Pro Services Pty Ltd. | Assignment of Assignor's Interest |
| Oct 10, 2008 Reel 21657, frame 978 | Jeha, Simone Marie | ResMed Limited | Assignment of Assignor's Interest |
| Dec 2, 2010 Reel 25440, frame 626 | Murray, Andrew Charles | ResMed Limited | Assignment of Assignor's Interest |
| Apr 6, 2011 Reel 26084, frame 269 | Bath, Andrew Roderick | ResMed Limited | Assignment of Assignor's Interest |
| Apr 6, 2011 Reel 26084, frame 351 | Kao, Dan | ResMed Limited | Assignment of Assignor's Interest |
| Apr 6, 2011 Reel 26084, frame 404 | Janiak, Michael Thomas | ResMed Limited | Assignment of Assignor's Interest |
| Apr 30, 2019 Reel 50005, frame 461 | ResMed Limited | ResMed Pty Ltd. | Change of Name |
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
Aug 2027
Term ends Aug 31, 2027. No further fees fall due before then
Note
The 1166 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
391
later US patents cite this one
That is top 1% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.