Collateral for a security interest recorded May 13, 2025 (Calw S.A. LLC, as Purchaser Agent).
Term ends Aug 14, 2030 · High confidence
20-year base term ends Nov 29, 2026
Held by Clearpoint Neuro, Inc.
Filed Aug 29, 2008 as application 12/066,862 · Granted May 26, 2015
Base term plus 1354 days of patent term adjustment (USPTO delay)
Today
2006
2030
Clock starts
Nov 29, 2006
Nov 29, 2006
Term ends
Aug 14, 2030
Aug 14, 2030
Granted
May 26, 2015
May 26, 2015
base term
patent term adjustment
fee events
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
1,354
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
70
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 1354 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Nov 29, 2006, when application PCT/US2006/045752, the earliest non-provisional in its chain, was filed (this one was filed Aug 29, 2008) | Nov 29, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1354 days, USPTO patent term adjustment record | Aug 14, 2030 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 14, 2030 | High confidence |
This family
| US 8,175,677 | In force Feb 2031 | Feb 2031 |
| US 9,042,958 | this patent Aug 2030 | Aug 2030 |
| US 8,315,689 | In force Jun 2031 | Jun 2031 |
| US 8,157,828 | Lapsed on the fee record Apr 2024 | Apr 2024 |
| US 8,099,150 | Lapsed on the fee record Jan 2016 | Jan 2016 |
| US 8,374,677 | In force Jul 2031 | Jul 2031 |
| US 8,195,272 | In force Dec 2030 | Dec 2030 |
| US 9,097,756 | In force Dec 2030 | Dec 2030 |
8 of 70 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 |
|---|---|---|---|
| Oct 7, 2008 Reel 21645, frame 612 | Karmarkar, Parag V.; Jenkins, Kimble | Surgi-Vision, Inc. | Assignment of Assignor's Interest |
| Oct 16, 2009 Reel 23379, frame 649 | Surgivision, Inc. | Boston Scientific Corporation | Security Agreement |
| Jan 6, 2011 Reel 25592, frame 951 | Surgivision, Inc. | Landmark Community Bank, As Collateral Agent | Security Agreement |
| Mar 26, 2014 Reel 32528, frame 536 | Mri Interventions, Inc. | Landmark Community Bank | Security Interest |
| Sep 12, 2014 Reel 33727, frame 668 | Boston Scientific Corporation | Mri Interventions, Inc., Formerly Known as Surgivision, Inc. | Release of Security Interest |
| Mar 9, 2015 Reel 35145, frame 691 | Surgivision, Inc., Formerly Known as Surgi-Vision, Inc. | Mri Interventions, Inc. | Change of Name |
| 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 |
| May 13, 2025 Reel 71276, frame 191 | Clearpoint Neuro, Inc. | Calw S.A. LLC, as Purchaser 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2030
Term ends Aug 14, 2030. Maintenance fees still fall due before then
Note
The 1354 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
173
later US patents cite this one
That is top 5% of utility patents granted in 2015 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.