Also listed on E-Pro Services Pty Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 17, 2027 · High confidence
20-year base term ended Apr 30, 2024
Held by ResMed Pty Ltd.
Filed Feb 1, 2006 as application 10/555,301 · Granted Jan 4, 2011
Base term plus 992 days of patent term adjustment (USPTO delay)
Today
2004
2027
Clock starts
Apr 30, 2004
Apr 30, 2004
Term ends
Jan 17, 2027
Jan 17, 2027
Granted
Jan 4, 2011
Jan 4, 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
992
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.
323
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 992 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 Apr 30, 2004, when application PCT/AU2004/000563, the earliest non-provisional in its chain, was filed (this one was filed Feb 1, 2006) | Apr 30, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +992 days, USPTO patent term adjustment record | Jan 17, 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 | Jan 17, 2027 | High confidence |
This family
| US 7,185,652 | Term ended Feb 2020 | Feb 2020 |
| US 7,089,939 | Term ended May 2020 | May 2020 |
| US 6,871,649 | Term ended no later than May 2020 | no later than May 2020 |
| US 6,910,483 | Term ended Dec 2022 | Dec 2022 |
| US 7,600,513 | Lapsed on the fee record Oct 2021 | Oct 2021 |
| US 6,796,308 | Term ended no later than Mar 2019 | no later than Mar 2019 |
| US 6,557,556 | Term ended no later than Jan 2018 | no later than Jan 2018 |
| US 7,669,599 | Term ended no later than Apr 2020 | no later than Apr 2020 |
8 of 323 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 22, 2010 Reel 25308, frame 618 | E-Pro Services Pty. Ltd. | ResMed Limited | Assignment of Assignor's Interest |
| Nov 22, 2010 Reel 25308, frame 621 | Sweeney, Fiachra Marcus | ResMed Limited | Assignment of Assignor's Interest |
| Nov 22, 2010 Reel 25308, frame 628 | Amarasinghe, Amal Shirley; Fu, Timothy Tsun-fai; Lithgow, Perry David | ResMed Limited | Assignment of Assignor's Interest |
| Nov 22, 2010 Reel 25308, frame 633 | Saada, Jim | E-Pro Services Pty. Ltd. | 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
Jan 2027
Term ends Jan 17, 2027. No further fees fall due before then
Note
The 992 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
301
later US patents cite this one
That is top 5% 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.