Term ends Jan 3, 2028 · High confidence
20-year base term ended Feb 24, 2025
Held by Smith & Nephew, Inc.
Filed Apr 4, 2005 as application 11/098,265 · Granted Mar 22, 2011
Base term plus 1043 days of patent term adjustment (USPTO delay)
Today
2005
2028
Clock starts
Feb 24, 2005
Feb 24, 2005
Term ends
Jan 3, 2028
Jan 3, 2028
Granted
Mar 22, 2011
Mar 22, 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
1,043
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.
18
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 1043 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 Feb 24, 2005, when application 11/064,813, the earliest non-provisional in its chain, was filed (this one was filed Apr 4, 2005) | Feb 24, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1043 days, USPTO patent term adjustment record | Jan 3, 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 | Jan 3, 2028 | High confidence |
This family
| US 8,062,272 | Lapsed on the fee record Nov 2023 | Nov 2023 |
| US 7,708,724 | Lapsed on the fee record May 2022 | May 2022 |
| US 7,909,805 | this patent 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
Jan 2028
Term ends Jan 3, 2028. No further fees fall due before then
Note
The 1043 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
472
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.