Term ends Aug 29, 2027 · High confidence
20-year base term ended Sep 28, 2026
Held by Zimmer GmbH
Filed Feb 5, 2010 as application 12/701,062 · Granted Apr 16, 2013
Base term plus 335 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Sep 28, 2006
Sep 28, 2006
Term ends
Aug 29, 2027
Aug 29, 2027
Granted
Apr 16, 2013
Apr 16, 2013
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
335
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.
9
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 335 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 Sep 28, 2006, when application 11/536,441, the earliest non-provisional in its chain, was filed (this one was filed Feb 5, 2010) | Sep 28, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +335 days, USPTO patent term adjustment record | Aug 29, 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 | Aug 29, 2027 | High confidence |
This family
| US 8,062,296 | In force no later than Sep 2029 | no later than Sep 2029 |
| US 8,394,098 | In force no later than Mar 2030 | no later than Mar 2030 |
| US 8,394,130 | In force Oct 2029 | Oct 2029 |
| US 7,867,261 | Lapsed on the fee record Jan 2023 | Jan 2023 |
| US 8,419,775 | this patent Aug 2027 | Aug 2027 |
| US 8,747,442 | Term ended Sep 2026 | Sep 2026 |
| US 9,526,543 | In force no later than Nov 2026 | no later than Nov 2026 |
| US 9,913,671 | Lapsed on the fee record Mar 2022 | Mar 2022 |
8 of 9 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 |
|---|---|---|---|
| Feb 8, 2010 Reel 23909, frame 263 | Orbay, Jorge L.; Castaneda, Javier E.; Graham, Robert; Sixto Jr., Robert; Francese, Jose Luis; Bourda, Marcus; Mebarak, Edward; Cavallazzi, Cesare | DePuy Products, Inc. | Assignment of Assignor's Interest |
| Jan 24, 2013 Reel 29683, frame 912 | DePuy Products, Inc. | Biomet C.V. | Assignment of Assignor's Interest |
| Jul 2, 2024 Reel 68233, frame 456 | Biomet C.V. | Zimmer GmbH | Nunc Pro Tunc Assignment |
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
Aug 2027
Term ends Aug 29, 2027. No further fees fall due before then
Note
The 335 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
87
later US patents cite this one
That is top 10% of utility patents granted in 2013 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.