Term ends Sep 17, 2028 · High confidence
20-year base term ended Aug 8, 2025
Held by KPR U.S., LLC
Filed Aug 8, 2005 as application 11/200,460 · Granted Jan 11, 2011
Base term plus 1136 days of patent term adjustment (USPTO delay)
Today
2005
2028
Clock starts
Aug 8, 2005
Aug 8, 2005
Term ends
Sep 17, 2028
Sep 17, 2028
Granted
Jan 11, 2011
Jan 11, 2011
base term
patent term adjustment
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
1,136
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.
84
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 1136 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 Aug 8, 2005, when this application, 11/200,460, was filed | Aug 8, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1136 days, USPTO patent term adjustment record | Sep 17, 2028 | 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 | Sep 17, 2028 | High confidence |
This family
| US 7,141,246 | Term ended Feb 2019 | Feb 2019 |
| US 7,866,907 | this patent Sep 2028 | Sep 2028 |
| Application PCT/US2005/028162 | PCT application no patent term | no patent term |
| Application 60/794,978 | Pending not computed | not computed |
| Application 11/416,061 | Abandoned not computed | not computed |
| Application 11/507,220 | Abandoned not computed | not computed |
| Application 11/516,216 | Abandoned not computed | not computed |
| US 7,569,742 | In force Dec 2026 | Dec 2026 |
8 of 84 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 3, 2005 Reel 17168, frame 124 | Cable, Frank A., JR.; Tauer, Mark; Fetterroll, Andrew | Tyco Healtchcare Group LP | Assignment of Assignor's Interest |
| Nov 30, 2012 Reel 29384, frame 20 | Tyco Healthcare Group LP | Covidien LP | Change of Name |
| Jan 9, 2013 Reel 29595, frame 101 | Tyco Healthcare Group LP | Covidien LP | Change of Name |
| Oct 5, 2017 Reel 44128, frame 390 | Covidien LP | KPR U.S., LLC | Assignment of Assignor's 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
Sep 2028
Term ends Sep 17, 2028. No further fees fall due before then
Note
The 1136 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
145
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.