Term ends Feb 25, 2030 · Medium confidence
20-year base term ends Feb 25, 2030
Why Medium: A parent in the chain could not be resolved.
Held by Zimmer Inc.
Filed Sep 13, 2016 as application 15/264,488 · Granted Feb 26, 2019
Base term plus 31 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2010
2030
Clock starts
Feb 25, 2010
Feb 25, 2010
Term ends
Feb 25, 2030
Feb 25, 2030
Granted
Feb 26, 2019
Feb 26, 2019
base term
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
31
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,895,230.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
12
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 31 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 2 maintenance fees is paid so far. Confidence: Medium. 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 25, 2010, when application PCT/US2010/025466, the earliest non-provisional in its chain, was filed (this one was filed Sep 13, 2016); a parent in its chain could not be resolved (the next row) | Feb 25, 2030 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +31 days, USPTO patent term adjustment record | Mar 28, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,895,230) | capped to Feb 25, 2030 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 25, 2030 | Medium confidence |
This family
| US 8,989,460 | In force Aug 2031 | Aug 2031 |
| US 9,078,755 | In force Jan 2032 | Jan 2032 |
| Application PCT/US2012/058902 | PCT application no patent term | no patent term |
| US 9,675,461 | In force Apr 2030 | Apr 2030 |
| US 10,130,478 | In force Apr 2030 | Apr 2030 |
| US 9,895,230 | In force Feb 2030 | Feb 2030 |
| US 10,052,206 | In force Feb 2030 | Feb 2030 |
| US 10,213,311 | this patent Feb 2030 | Feb 2030 |
8 of 12 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 |
|---|---|---|---|
| Apr 4, 2017 Reel 41841, frame 283 | Mahfouz, Mohamed R. | Zimmer Inc. | Assignment of Assignor's Interest |
| May 6, 2021 Reel 56153, frame 207 | Mahfouz, Mohamed Rashwan | Zimmer, Inc. | Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 041841 Frame: 0283. Assignor(S) Hereby Confirms the 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
Feb 2030
Term ends Feb 25, 2030.
Note
The 31 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,895,230.
Citations
93
later US patents cite this one
That is top 5% of utility patents granted in 2019 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.