Lapsed Nov 22, 2023 on the fee record · High confidence
20-year base term ended Feb 24, 2025
Third maintenance fee unpaid; grace period ended.
Held by Smith & Nephew, Inc.
Filed Feb 24, 2005 as application 11/064,813 · Granted Nov 22, 2011
Base term, 20 years from filing, plus 24 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 22, 2023
2005
2026
Clock starts
Feb 24, 2005
Feb 24, 2005
No longer in force
Nov 22, 2023
Nov 22, 2023
Granted
Nov 22, 2011
Nov 22, 2011
Term would have run to
Mar 20, 2025
Mar 20, 2025
base term
patent term adjustment
after the term ends
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
24
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
18
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Mar 20, 2025: its 20-year base term plus 24 days of term adjustment for prosecution delay. 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 24, 2005, when this application, 11/064,813, was filed | Feb 24, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +24 days, USPTO patent term adjustment record | Mar 20, 2025 | 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 | 2 of 3 maintenance fees paid | lapsed Nov 22, 2023 | High confidence |
| Computed term end | The steps above, in order | Nov 22, 2023 | High confidence |
This family
| US 8,062,272 | this patent Nov 2023 | Nov 2023 |
| US 7,708,724 | Lapsed on the fee record May 2022 | May 2022 |
| US 7,909,805 | In force Jan 2028 | Jan 2028 |
| US 8,303,552 | Term ended Dec 2025 | Dec 2025 |
| US 8,795,243 | In force Jan 2027 | Jan 2027 |
| US 8,282,611 | Term ended Dec 2025 | Dec 2025 |
| US 8,449,509 | Term ended Feb 2026 | Feb 2026 |
| US 10,058,642 | In force Aug 2028 | Aug 2028 |
8 of 18 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 |
|---|---|---|---|
| Sep 19, 2005 Reel 16816, frame 318 | Blue Sky Medical Group, Inc.; Weston, Richard; Johnson, Tim | Huntleigh Healthcare Funding LLC | Security Agreement |
| May 1, 2007 reel/frame not recorded | Huntleigh Healthcare Funding LLC. | Bluesky Medical Group Incorporated | Release of Security Interest |
| May 1, 2007 reel/frame not recorded | Huntleigh Healthcare Funding LLC. | Weston, Richard Scott | Release of Security Interest |
| May 1, 2007 reel/frame not recorded | Huntleigh Healthcare Funding LLC. | Johnson, Tim | Release of Security Interest |
| May 1, 2007 Reel 19235, frame 1 | Huntleigh Healthcare Funding LLC. | Bluesky Medical Group Incorporated; Weston, Richard Scott; Johnson, Tim | Release of Security Interest |
| Aug 30, 2007 Reel 19776, frame 269 | Weston, Richard Scott | Bluesky Medical Group Incorporated | Assignment of Assignor's Interest |
| Dec 14, 2017 Reel 44881, frame 985 | Bluesky Medical Group Incorporated | Smith & Nephew, Inc. | Merger |
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
Note
The 24 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
804
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.