3 patents currently held
106 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Feb 2028. from the record
Of the 106 now held by other companies, 75 name Highridge Medical LLC as their current owner, and 31 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
2
Ending by 2030
Feb 2028
Next term end
3
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Jul 2030 · High confidence
Also notable
Ends Feb 2028 · Low confidence
Also notable
Ends Dec 2038 · High confidence
Composite Implant
US 8,470,042
Renewed at every maintenance window since the 2013 grant; no more fees are due before its term ends in 2030.
Method and Associated Instrumentation for Installation of Spinal Dynamic Stabilization System
US RE47,377
Renewed at every maintenance window since the 2019 grant; no more fees are due before its term ends in 2028.
Closure Top Driver Depth Limiter
US 11,559,344
A family of 45 related applications built on the 2023 grant. Protection runs to 2038. A terminal disclaimer caps this term to an earlier patent's.
Formerly held, still cited
Notable
Ends Nov 2026 · Medium confidence
Cited by 410 later US patents, top 1% of utility patents granted in 2011 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2026.
now held by Zimmer Biomet Spine, Inc.
Also notable
Ends Feb 2028 · High confidence
Cited by 263 later US patents, top 5% of utility patents granted in 2010 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2028.
now held by Highridge Medical, LLC
Also notable
Ends Apr 2032 · Medium confidence
Cited by 135 later US patents, top 5% of utility patents granted in 2015 in our data, and renewed at every maintenance window due so far. Protection runs to 2032.
now held by Highridge Medical, LLC
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 2 of the patents on this record were granted since Aug 17, 2026
- 6 terms have ended since Aug 17, 2026
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Closure Top Driver Depth Limiter | 1 in force | to Dec 2038 |
| Composite Implant | 1 in force | to Jul 2030 |
| Method and Associated Instrumentation for Installation of Spinal Dynamic Stabilization System | 1 in force | to Feb 2028 |
Patents held now
Soonest term end first.
Showing 1 to 3 of 3
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US RE47,377 | Method and Associated Instrumentation for Installation of Spinal Dynamic Stabilization System held by Zimmer Biomet Spine, Inc. In force · Low confidence | In force | Low confidence | |
| US 8,470,042 | Composite Implant In force · High confidence | In force | High confidence | |
| US 11,559,344 | Closure Top Driver Depth Limiter held by LDR Medical, S.A.S. In force · High confidence | In force | High confidence |
Also on record, not counted in the 3: 106 patents in force now held by others · 181 patents ended · 1 application pending · 26 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.