Term ended no later than Oct 30, 2026 · Medium confidence
20-year base term ended May 31, 2026
May 31, 2006
Oct 30, 2026
Mar 13, 2012
This patent's term runs 152 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. All three maintenance fees were paid, so no fee lapse ended it. 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 May 31, 2006, when application 11/421,438, the earliest non-provisional in its chain, was filed (this one was filed Oct 12, 2009) | May 31, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +152 days, USPTO patent term adjustment record | Oct 30, 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | no later than Oct 30, 2026 | Medium confidence |
This family
| US 7,621,933 | In force Jun 2028 | Jun 2028 |
| US 8,133,247 | this patent no later than Oct 2026 | no later than Oct 2026 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Sep 27, 2011 Reel 26978, frame 573 | 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.
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 Oct 30, 2026. We will not guess the cap.