Also listed on Clearcount Medical Solutions, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 1, 2034 · High confidence
20-year base term ends Dec 6, 2030
Held by Stryker Corporation
Filed Dec 6, 2010 as application 12/961,089 · Granted May 26, 2015
Base term plus 1181 days of patent term adjustment (USPTO delay)
Today
2010
2034
Clock starts
Dec 6, 2010
Dec 6, 2010
Term ends
Mar 1, 2034
Mar 1, 2034
Granted
May 26, 2015
May 26, 2015
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
1,181
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.
7
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 1181 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Dec 6, 2010, when this application, 12/961,089, was filed | Dec 6, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1181 days, USPTO patent term adjustment record | Mar 1, 2034 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Mar 1, 2034 | High confidence |
This family
| Application 12/637,352 | Abandoned not computed | not computed |
| US 9,041,479 | this patent Mar 2034 | Mar 2034 |
| Application PCT/US2010/060058 | PCT application no patent term | no patent term |
| Application PCT/US2011/039906 | PCT application no patent term | no patent term |
| Application PCT/US2011/063264 | PCT application no patent term | no patent term |
| US 9,425,741 | In force Dec 2030 | Dec 2030 |
| US 9,614,478 | In force Dec 2030 | Dec 2030 |
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 |
|---|---|---|---|
| Dec 17, 2010 Reel 25516, frame 709 | Nero, Regis J., JR.; Gibala, Jeffrey A. | Clearcount Medical Solutions, Inc. | Assignment of Assignor's Interest |
| Aug 13, 2014 Reel 33532, frame 93 | Medline Industries, Inc. | Clearcount Medical Solutions, Inc. | Release of Security Interest |
| Sep 15, 2014 Reel 33736, frame 596 | Clearcount Medical Solutions, Inc. | Stryker Combo, L.l.c. | Assignment of Assignor's Interest |
| May 8, 2019 Reel 49114, frame 819 | Stryker Combo L.L.C. | Stryker Corporation | Assignment of Assignor's Interest |
| Dec 18, 2024 Reel 69737, frame 184 | Stryker Corporation | Stryker Corporation | Change of Address |
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
Mar 2034
Term ends Mar 1, 2034. Maintenance fees still fall due before then
Note
The 1181 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
27
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.