Collateral for a security interest recorded Apr 10, 2026 (Midcap Financial Trust).
Term ends Nov 24, 2029 · High confidence
20-year base term ends Mar 2, 2027
Held by Strata Skin Sciences, Inc.
Filed Mar 2, 2007 as application 11/681,345 · Granted Feb 22, 2011
Base term plus 998 days of patent term adjustment (USPTO delay)
Today
2007
2029
Clock starts
Mar 2, 2007
Mar 2, 2007
Term ends
Nov 24, 2029
Nov 24, 2029
Granted
Feb 22, 2011
Feb 22, 2011
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
998
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.
46
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 998 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 Mar 2, 2007, when this application, 11/681,345, was filed | Mar 2, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +998 days, USPTO patent term adjustment record | Nov 24, 2029 | 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 | Nov 24, 2029 | High confidence |
This family
| US 7,144,248 | Term ended Nov 2022 | Nov 2022 |
| US 7,257,144 | Term ended Apr 2025 | Apr 2025 |
| US 7,276,059 | Term ended Oct 2020 | Oct 2020 |
| US 7,891,361 | Term ended Nov 2022 | Nov 2022 |
| US 7,886,749 | Term ended Feb 2021 | Feb 2021 |
| US 7,848,378 | Term ended Aug 2026 | Aug 2026 |
| US 7,813,586 | In force May 2027 | May 2027 |
| US 7,894,651 | this patent Nov 2029 | Nov 2029 |
8 of 46 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 |
|---|---|---|---|
| May 2, 2007 Reel 19237, frame 441 | Gutkowicz-krusin, Dina; Gulfo, Joseph V. | Electro-Optical Sciences, Inc. | Assignment of Assignor's Interest |
| May 7, 2010 Reel 24351, frame 849 | Electro-Optical Sciences, Inc. | Mela Sciences, Inc. | Change of Name |
| Dec 31, 2015 Reel 37391, frame 451 | Mela Sciences, Inc. | Midcap Financial Trust, As Agent | Security Interest |
| Jun 30, 2016 Reel 39219, frame 505 | Mela Sciences, Inc. | Strata Skin Sciences, Inc. | Change of Name |
| Jan 20, 2020 Reel 51558, frame 510 | Midcap Financial Trust | Strata Skin Sciences, Inc. | Release of Security Interest |
| Apr 10, 2026 Reel 74338, frame 296 | Strata Skin Sciences, Inc. | Midcap Financial Trust | 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
Nov 2029
Term ends Nov 24, 2029. No further fees fall due before then
Note
The 998 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
66
later US patents cite this one
That is top 10% of utility patents granted in 2011 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.