Also listed on Photothera, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 13, 2031 · High confidence
20-year base term ends Aug 23, 2027
Held by Pthera, LLC
Filed Aug 23, 2007 as application 11/844,205 · Granted Nov 13, 2012
Base term plus 1420 days of patent term adjustment (USPTO delay)
Today
2007
2031
Clock starts
Aug 23, 2007
Aug 23, 2007
Term ends
Jul 13, 2031
Jul 13, 2031
Granted
Nov 13, 2012
Nov 13, 2012
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
1,420
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.
25
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 1420 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 Aug 23, 2007, when this application, 11/844,205, was filed | Aug 23, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1420 days, USPTO patent term adjustment record | Jul 13, 2031 | 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 (reinstated) | High confidence |
| Computed term end | The steps above, in order | Jul 13, 2031 | High confidence |
This family
| Application 10/287,432 | Abandoned not computed | not computed |
| Application 10/327,605 | Abandoned not computed | not computed |
| US 7,316,922 | Term ended Apr 2024 | Apr 2024 |
| Application 10/448,262 | Abandoned not computed | not computed |
| Application 10/666,519 | Abandoned not computed | not computed |
| US 7,303,578 | Term ended Dec 2022 | Dec 2022 |
| US 7,534,255 | Term ended no later than Apr 2026 | no later than Apr 2026 |
| Application PCT/US2004/029724 | PCT application no patent term | no patent term |
8 of 25 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 |
|---|---|---|---|
| Feb 11, 2008 Reel 20493, frame 914 | Streeter, Jackson; De Taboada, Luis | Photothera, Inc. | Assignment of Assignor's Interest |
| Aug 29, 2008 Reel 21462, frame 135 | Photothera, Inc. | Lighthouse Capital Partners VI, L.P. | Security Agreement |
| Sep 3, 2008 Reel 21462, frame 922 | Photothera, Inc. | Warburg Pincus Private Equity IX, L.P. | Security Agreement |
| May 13, 2009 Reel 22678, frame 273 | Lighthouse Capital Partners VI, L.P. | Photothera, Inc. | Release of Security Interest |
| May 22, 2009 Reel 22722, frame 784 | Warburg Pincus Private Equity IX, L.P. | Photothera, Inc. | Termination of Patent Security Agreement |
| Feb 22, 2011 Reel 25829, frame 859 | Photothera, Inc. | Oxford Finance Corporation; Comerica Bank | Security Agreement |
| Feb 22, 2011 reel/frame not recorded | Photothera, Inc. | Oxford Finance Corporation | Security Agreement |
| Feb 22, 2011 reel/frame not recorded | Photothera, Inc. | Comerica Bank | Security Agreement |
| Oct 5, 2012 Reel 29082, frame 677 | Photothera, Inc. | Photothera IP Holdings, Inc. | Assignment of Assignor's Interest |
| Sep 20, 2016 Reel 39797, frame 924 | De Taboada, Luis H. | Pthera, LLC | Assignment of Assignor's Interest |
| Sep 20, 2016 Reel 39797, frame 961 | Advanced Photonics Solutions, Inc. | De Taboada, Luis H. | Assignment of Assignor's 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
Jul 2031
Term ends Jul 13, 2031. No further fees fall due before then
Note
The 1420 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
172
later US patents cite this one
That is top 5% of utility patents granted in 2012 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.