Lapsed Jan 15, 2025 on the fee record · Medium confidence
20-year base term ended Sep 27, 2024
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Third maintenance fee unpaid; grace period ended.
Sep 27, 2004
Jan 15, 2025
Jan 15, 2013
Mar 3, 2026
Its term would have run to Mar 3, 2026: its 20-year base term plus 522 days of term adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 27, 2004, when application PCT/US2004/031768, the earliest non-provisional in its chain, was filed (this one was filed Nov 20, 2009) | Sep 27, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +522 days, USPTO patent term adjustment record | Mar 3, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Jan 15, 2025 | High confidence |
| Computed term end | The steps above, in order | Jan 15, 2025 | Medium confidence |
This family
| Application PCT/US2004/031768 | PCT application no patent term | no patent term |
| US 7,905,840 | In force Sep 2029 | Sep 2029 |
| US 7,207,949 | Term ended Sep 2024 | Sep 2024 |
| US 8,313,430 | In force Sep 2028 | Sep 2028 |
| US 8,016,767 | Term ended Sep 2024 | Sep 2024 |
| US 8,355,780 | this patent Jan 2025 | Jan 2025 |
| US 8,303,515 | Lapsed on the fee record Nov 2024 | Nov 2024 |
| US 8,388,527 | Term ended Jun 2026 | Jun 2026 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 10, 2009 Reel 23633, frame 487 | Miles, Patrick; Martinelli, Scot; Finley, Eric | NuVasive, Inc. | Assignment of Assignor's Interest |
| Nov 16, 2016 Reel 40634, frame 404 | NuVasive, Inc.; Impulse Monitoring, Inc. | Bank of America, N.A., as Administrative Agent | Notice of Grant of Security Interest in Patents |
| May 17, 2017 Reel 42490, frame 236 | NuVasive, Inc.; Biotronic National, LLC; NuVasive Clinical Services Monitoring, Inc.; NuVasive Clinical Services, Inc.; NuVasive Specialized Orthopedics, Inc. | Bank of America, N.A., as Administrative Agent | Notice of Grant of Security Interest in Patents |
| Feb 28, 2020 Reel 52918, frame 595 | NuVasive, Inc.; NuVasive Clinical Services Monitoring, Inc.; NuVasive Clinical Services, Inc.; NuVasive Specialized Orthopedics, Inc. | Bank of America, N.A., 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
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Jan 15, 2025. We will not guess the cap.