Collateral for a security interest recorded Sep 18, 2025 (Cerberus Business Finance Agency, LLC).
Term ends Jan 20, 2035 · High confidence
20-year base term ends Jan 20, 2035
Held by Highridge Medical LLC
Filed May 15, 2018 as application 15/979,873 · Granted Sep 1, 2020
Base term plus 20 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2015
2035
Clock starts
Jan 20, 2015
Jan 20, 2015
Term ends
Jan 20, 2035
Jan 20, 2035
Granted
Sep 1, 2020
Sep 1, 2020
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
20
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 9,999,517.
1 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.
8
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 20 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 maintenance fees is paid so far. 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 Jan 20, 2015, when application 14/600,617, the earliest non-provisional in its chain, was filed (this one was filed May 15, 2018) | Jan 20, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +20 days, USPTO patent term adjustment record | Feb 9, 2035 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,999,517) | capped to Jan 20, 2035 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 20, 2035 | High confidence |
This family
| US 9,060,876 | In force Jan 2035 | Jan 2035 |
| US 9,402,733 | In force Jan 2035 | Jan 2035 |
| Application PCT/US2016/014100 | PCT application no patent term | no patent term |
| US 9,999,517 | Lapsed on the fee record Jun 2026 | Jun 2026 |
| US 10,758,368 | this patent Jan 2035 | Jan 2035 |
| US 11,918,484 | In force Oct 2036 | Oct 2036 |
| US 12,390,346 | In force Jan 2035 | Jan 2035 |
| Application 19/293,875 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Dec 31, 2019 Reel 51393, frame 643 | Integrity Implants, Inc. | Heritage Bank of Commerce | Security Interest |
| Jan 23, 2021 Reel 55010, frame 708 | Integrity Implants, Inc. | Heritage Bank of Commerce | Security Interest |
| Jun 7, 2021 Reel 56500, frame 116 | Heritage Bank of Commerce | Integrity Implants Inc. | Release of Security Interest |
| Jun 18, 2021 Reel 57079, frame 965 | Integrity Implants Inc. | Eastward Fund Management, LLC | Security Interest |
| Nov 10, 2023 Reel 65536, frame 632 | Eastward Fund Management, LLC | Integrity Implants Inc. | Release of Security Interest |
| Dec 21, 2023 Reel 66090, frame 832 | Integrity Implants Inc. | Symbiotic Capital Agency LLC, as Administrative Agent | Patent Security Agreement |
| Jan 18, 2025 Reel 69926, frame 86 | To, John; Flynn, John J | Ouroboros Medical, Inc. | Assignment of Assignor's Interest |
| Jan 19, 2025 Reel 69926, frame 97 | Ouroboros Medical, Inc. | Integrity Implants Inc. | Assignment of Assignor's Interest |
| Aug 28, 2025 Reel 72709, frame 756 | Symbiotic Capital Agency LLC, as Administrative Agent | Integrity Implants Inc. | Release of Security Interest in Patent |
| Sep 12, 2025 Reel 72879, frame 290 | Symbiotic Capital Agency LLC | Integrity Implants Inc. | Release of Security Interest |
| Sep 17, 2025 Reel 72281, frame 955 | Integrity Implants Inc. | Highridge Medical LLC | Assignment of Assignor's Interest |
| Sep 18, 2025 Reel 72942, frame 175 | Highridge Medical, LLC (F/K/A Zimmer Biomet Spine, LLC) | Cerberus Business Finance Agency, LLC, as Collateral Agent | Grant of a Security Interest -- Patents |
| Jun 27, 2026 Reel 76224, frame 379 | Zeb Intermediate, LLC; Zeb Buyer, LLC,; Highridge Medical, LLC, | Wingspire Capital LLC, as Administrative Agent | 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
Jan 2035
Term ends Jan 20, 2035. Maintenance fees still fall due before then
Note
The 20 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 9,999,517.
Citations
32
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.