Term ended Oct 30, 2023 · Medium confidence
20-year base term ended Oct 30, 2023
Why Medium: A parent in the chain could not be resolved.
Held by Zimmer Biomet Spine, Inc.
Filed May 22, 2007 as application 11/752,167 · Granted Jul 21, 2009
Base term, 20 years from filing
Today
Term ended Oct 30, 2023
2003
2026
Clock starts
Oct 30, 2003
Oct 30, 2003
Term ended
Oct 30, 2023
Oct 30, 2023
Granted
Jul 21, 2009
Jul 21, 2009
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
15
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Oct 30, 2003, when application 10/697,793, the earliest non-provisional in its chain, was filed (this one was filed May 22, 2007); a parent in its chain could not be resolved (the next row) | Oct 30, 2023 | 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 | None on file | no change | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Oct 30, 2023 | Medium confidence |
This family
| US 7,491,218 | Term ended no later than Oct 2024 | no later than Oct 2024 |
| US 7,250,052 | Term ended Apr 2025 | Apr 2025 |
| Application PCT/US2005/039245 | PCT application no patent term | no patent term |
| US 7,691,132 | Term ended Mar 2026 | Mar 2026 |
| US 8,034,084 | Term ended Mar 2025 | Mar 2025 |
| US 7,985,242 | In force Nov 2026 | Nov 2026 |
| US 7,563,264 | this patent Oct 2023 | Oct 2023 |
| US 8,075,592 | Term ended Oct 2023 | Oct 2023 |
8 of 15 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 |
|---|---|---|---|
| Jun 24, 2009 Reel 22868, frame 285 | Spinal Concepts, Inc. | Abbott Spine, Inc. | Merger |
| Jun 24, 2009 Reel 22868, frame 310 | Abbott Spine Inc. | Zimmer Spine Austin, Inc. | Change of Name |
| Oct 30, 2009 Reel 23451, frame 690 | Zimmer Spine Austin, Inc. | Zimmer Spine, Inc. | Merger |
| Aug 3, 2015 Reel 36252, frame 338 | Bacterin International, Inc.; X-Spine Systems, Inc. | Ros Acquisition Offshore, LP | Security Interest |
| Oct 27, 2021 Reel 57941, frame 609 | Seaspine Holdings Corporation; Seaspine Orthopedics Corporation; Seaspine, Inc.; Isotis, Inc.; Seaspine Sales LLC; Isotis Orthobiologics, Inc.; Theken Spine, LLC; Seaspine Orthopedics Intermediateco, Inc.; 7D Surgical USA Inc. | Wells Fargo Bank, National Association | Security Interest |
| Feb 18, 2022 Reel 59232, frame 356 | Zimmer Spine, Inc. | Zimmer Biomet Spine, Inc. | Merger |
| Mar 2, 2022 Reel 59293, frame 213 | Biomet 3I, LLC; Ebi, LLC; Zimmer Biomet Spine, Inc.; Zimmer Dental Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Apr 2, 2024 Reel 66973, frame 833 | Jpmorgan Chase Bank, N.a. | Ebi, LLC; Zimmer Biomet Spine, LLC (F/K/A Zimmer Biomet Spine, Inc.) | Release of Security Interest |
| Apr 2, 2024 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Ebi, LLC | Release of Security Interest |
| Apr 2, 2024 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Zimmer Biomet Spine, LLC (F/K/A Zimmer Biomet Spine, Inc.) | Release of Security Interest |
| Jul 29, 2026 reel/frame not recorded | Ros Acquisition Offshore, LP | Bacterin International, Inc. | Corrective Assignment to Correct the Scheduled Patent Assets That Were Erroneously Omitted from the Recordation Cover Sheet and Recordation, Previously Recorded on Reel 56323 Frame 218. Assignor(S) Hereby Confirms the Release of Security Interest. |
| Jul 29, 2026 reel/frame not recorded | Ros Acquisition Offshore, LP | X-Spine Systems, Inc. | Corrective Assignment to Correct the Scheduled Patent Assets That Were Erroneously Omitted from the Recordation Cover Sheet and Recordation, Previously Recorded on Reel 56323 Frame 218. Assignor(S) Hereby Confirms the Release of Security Interest. |
| Jul 29, 2026 Reel 76329, frame 206 | Ros Acquisition Offshore, LP | Bacterin International, Inc.; X-Spine Systems, Inc. | Corrective Assignment to Correct the Scheduled Patent Assets That Were Erroneously Omitted from the Recordation Cover Sheet and Recordation, Previously Recorded on Reel 56323 Frame 218. Assignor(S) Hereby Confirms the Release of Security Interest. |
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.
Citations
227
later US patents cite this one
That is top 5% of utility patents granted in 2009 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.