Collateral for a security interest recorded Jan 19, 2024 (Ew Healthcare Partners, L.P.).
Term ends Jun 15, 2028 · High confidence
20-year base term ended May 31, 2026
Held by Venus Concept Inc.
Filed May 31, 2006 as application 11/421,438 · Granted Nov 24, 2009
Base term plus 746 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
May 31, 2006
May 31, 2006
Term ends
Jun 15, 2028
Jun 15, 2028
Granted
Nov 24, 2009
Nov 24, 2009
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
746
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
2
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 746 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 May 31, 2006, when this application, 11/421,438, was filed | May 31, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +746 days, USPTO patent term adjustment record | Jun 15, 2028 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 15, 2028 | High confidence |
This family
| US 7,621,933 | this patent Jun 2028 | Jun 2028 |
| US 8,133,247 | Term ended no later than Oct 2026 | no later than Oct 2026 |
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 |
|---|---|---|---|
| Aug 4, 2006 Reel 18057, frame 870 | Bodduluri, Mohan; Hsei, Paul K. | Restoration Robotics, Inc. | Assignment of Assignor's Interest |
| May 10, 2018 Reel 46125, frame 518 | Restoration Robotics, Inc. | Solar Capital Ltd. | Short-Form Patent Security Agreement |
| Nov 7, 2019 Reel 50965, frame 765 | Solar Capital Ltd. | Restoration Robotics, Inc. | Release of Security Interest |
| Nov 7, 2019 Reel 50966, frame 741 | Solar Capital Ltd. | Restoration Robotics, Inc. | Termination of Patent Security Agreement |
| Dec 2, 2019 Reel 51156, frame 892 | Venus Concept Inc. | Madryn Health Partners, LP | Security Interest |
| Oct 7, 2021 Reel 57843, frame 981 | Restoration Robotics, Inc. | Venus Concept Inc. | Change of Name |
| Oct 13, 2021 Reel 57788, frame 712 | Restoration Robotics, Inc. | Venus Concept Inc. | Change of Name |
| Jan 19, 2024 Reel 66354, frame 565 | Venus Concept Inc. | Ew Healthcare Partners, L.p. | 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 2028
Term ends Jun 15, 2028. No further fees fall due before then
Note
The 746 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
90
later US patents cite this one
That is top 10% of utility patents granted in 2009 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.