Collateral for a security interest recorded May 10, 2019 (Kennedy Lewis Investment Management LLC).
Term ends Jun 6, 2036 · High confidence
20-year base term ends Dec 1, 2035
Held by Cardiofocus, Inc.
Filed Dec 1, 2015 as application 14/956,052 · Granted Dec 18, 2018
Base term plus 188 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
Dec 1, 2015
Dec 1, 2015
Term ends
Jun 6, 2036
Jun 6, 2036
Granted
Dec 18, 2018
Dec 18, 2018
base term
patent term adjustment
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
188
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.
3
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 188 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 Dec 1, 2015, when this application, 14/956,052, was filed | Dec 1, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +188 days, USPTO patent term adjustment record | Jun 6, 2036 | 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 | Jun 6, 2036 | High confidence |
This family
| Application 62/087,121 | Provisional application no patent term | no patent term |
| Application PCT/US2015/063238 | PCT application no patent term | no patent term |
| US 10,154,888 | this patent Jun 2036 | Jun 2036 |
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 |
|---|---|---|---|
| Feb 3, 2017 Reel 41165, frame 601 | Sagon, Stephen; Melsky, Gerald | Cardiofocus, Inc. | Assignment of Assignor's Interest |
| Mar 31, 2017 Reel 41805, frame 976 | Cardiofocus, Inc. | Silicon Valley Bank; Solar Capital Ltd. | Security Interest |
| Mar 31, 2017 reel/frame not recorded | Cardiofocus, Inc. | Silicon Valley Bank | Security Interest |
| Mar 31, 2017 reel/frame not recorded | Cardiofocus, Inc. | Solar Capital Ltd. | Security Interest |
| Apr 9, 2018 Reel 45478, frame 532 | Cardiofocus, Inc. | GPB Debt Holdings II LLC | Security Interest |
| May 9, 2019 Reel 49133, frame 474 | Silicon Valley Bank; Oxford Finance LLC | Cardiofocus, Inc. | Release of Security Interest |
| May 10, 2019 Reel 49138, frame 233 | Silicon Valley Bank; Oxford Finance LLC | Cardiofocus, Inc. | Release of Security Interest |
| May 10, 2019 Reel 49138, frame 362 | Silicon Valley Bank; Solar Capital Ltd. | Cardiofocus, Inc. | Release of Security Interest |
| May 10, 2019 Reel 49149, frame 356 | Cardiofocus, Inc. | Kennedy Lewis Investment Management LLC | Intellectual Property Security Agreement |
| May 16, 2019 Reel 49200, frame 597 | GPB Debt Holdings II, LLC | Cardiofocus, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jun 2036
Term ends Jun 6, 2036. Maintenance fees still fall due before then
Note
The 188 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
28
later US patents cite this one
That is top 10% of utility patents granted in 2018 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.