Collateral for a security interest recorded Jun 27, 2026 (Wingspire Capital LLC).
Term ended Apr 27, 2025 · High confidence
20-year base term ended Oct 30, 2023
Held by Highridge Medical, LLC
Filed Oct 30, 2003 as application 10/697,793 · Granted Jul 31, 2007
Base term plus 545 days of patent term adjustment (USPTO delay)
Today
Term ended Apr 27, 2025
2003
2026
Clock starts
Oct 30, 2003
Oct 30, 2003
Term ended
Apr 27, 2025
Apr 27, 2025
Granted
Jul 31, 2007
Jul 31, 2007
base term
patent term adjustment
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
545
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.
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 runs 545 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Oct 30, 2003, when this application, 10/697,793, was filed | Oct 30, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +545 days, USPTO patent term adjustment record | Apr 27, 2025 | 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 | Apr 27, 2025 | High confidence |
This family
| US 7,491,218 | Term ended no later than Oct 2024 | no later than Oct 2024 |
| US 7,250,052 | this patent 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 | Term ended 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 |
|---|---|---|---|
| Mar 31, 2004 Reel 15168, frame 749 | Landry, Michael E.; Khoo, Larry T.; Wagner, Erik J.; Forton, Charles R.; Jones, Robert J. | Spinal Concepts, Inc. | Assignment of Assignor's Interest |
| 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 767 | 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 |
| Mar 25, 2024 Reel 66889, frame 55 | Landry, Michael E.; Khoo, Larry T.; Wagner, Erik J.; Forton, Charles R.; Jones, Robert J. | Spinal Concepts, Inc. | Assignment of Assignor's Interest |
| Mar 25, 2024 Reel 66889, frame 221 | Spinal Concepts, Inc. | Abbott Spine, Inc. | Merger |
| Mar 25, 2024 Reel 66889, frame 307 | Abbott Spine Inc. | Zimmer Spine Austin, Inc. | Change of Name |
| Mar 25, 2024 Reel 66894, frame 402 | Zimmer Spine, Inc. | Zimmer Biomet Spine, Inc. | Merger |
| Apr 1, 2024 Reel 66970, frame 806 | Zimmer Biomet Spine, LLC; Ebi, LLC | Cerberus Business Finance Agency, LLC | Grant of a Security Interest -- Patents |
| 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 |
| Dec 24, 2024 Reel 69772, frame 121 | Zimmer Biomet Spine, Inc. | Zimmer Biomet Spine, LLC | Change of Name |
| Dec 24, 2024 Reel 69772, frame 248 | Zimmer Biomet Spine, LLC | Highridge Medical, LLC | Change of Name |
| Jun 27, 2026 Reel 76224, frame 379 | Zeb Intermediate, LLC; Zeb Buyer, LLC,; Highridge Medical, LLC, | Wingspire Capital LLC, as Administrative Agent | 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.
What's changing
Note
The 545 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1,358
later US patents cite this one
That is top 1% of utility patents granted in 2007 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.