Lapsed Sep 2, 2026 on the fee record · Medium confidence
20-year base term ends Jun 16, 2030
Why Medium: A parent in the chain could not be resolved.
Third maintenance fee unpaid; grace period ended.
Jun 16, 2010
Sep 2, 2026
Sep 2, 2014
Jun 16, 2030
Its term would have run to Jun 16, 2030: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jun 16, 2010, when application 12/816,803, the earliest non-provisional in its chain, was filed (this one was filed Jan 24, 2013); a parent in its chain could not be resolved (the next row) | Jun 16, 2030 | 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 | Disclaimer resolved from the filed document (refs US 8,369,930) | resolves to Jun 16, 2030, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Sep 2, 2026 | High confidence |
| Computed term end | The steps above, in order | Sep 2, 2026 | Medium confidence |
This family
| US 8,369,930 | Lapsed on the fee record Feb 2025 | Feb 2025 |
| US 8,886,288 | Grace period ended Jun 2030 | Jun 2030 |
| US 8,825,133 | this patent Sep 2026 | Sep 2026 |
| Application 13/984,437 | Abandoned not computed | not computed |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jan 28, 2014 Reel 32060, frame 376 | Jenkins, Kimble L.; Piferi, Peter; Vij, Kamal; Ghidoli, Daniele; Flores, Jesse; Karmarkar, Parag V.; Pandey, Rajesh | Mri Interventions, Inc. | Assignment of Assignor's Interest |
| Mar 26, 2014 Reel 32528, frame 536 | Mri Interventions, Inc. | Landmark Community Bank | Security Interest |
| Nov 17, 2015 Reel 37120, frame 574 | Mri Interventions, Inc. | Landmark Community Bank | Corrective Assignment to Correct the Incorrectly Listed Property U.S. Patent No. 8374667 Previously Recorded on Reel 032528 Frame 0536. Assignor(S) Hereby Confirms the Security Agreement. |
| Jan 12, 2022 Reel 58702, frame 976 | Mri Interventions, Inc. | Clearpoint Neuro, Inc. | Change of Name |
| Mar 4, 2022 Reel 59177, frame 392 | Landmark Community Bank | Clearpoint Neuro, Inc. (Formerly Known as Mri Interventions, Inc. and Surgivision, Inc. | 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.
A terminal disclaimer resolved from the filed document, referencing US 8,369,930, ends no earlier than this term, so it caps nothing.