Also listed on Singulex, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 11, 2027 · High confidence
20-year base term ends Apr 4, 2027
Held by Novilux, LLC
Filed Apr 3, 2008 as application 12/062,412 · Granted Nov 23, 2010
Base term plus 221 days of patent term adjustment (USPTO delay)
Today
2007
2027
Clock starts
Apr 4, 2007
Apr 4, 2007
Term ends
Nov 11, 2027
Nov 11, 2027
Granted
Nov 23, 2010
Nov 23, 2010
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
221
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.
11
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 221 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 Apr 4, 2007, when application 11/784,213, the earliest non-provisional in its chain, was filed (this one was filed Apr 3, 2008) | Apr 4, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +221 days, USPTO patent term adjustment record | Nov 11, 2027 | 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 11, 2027 | High confidence |
This family
| Application 11/784,213 | Abandoned not computed | not computed |
| US 7,838,250 | this patent Nov 2027 | Nov 2027 |
| US 8,343,728 | In force Apr 2027 | Apr 2027 |
| US 8,535,895 | In force Apr 2027 | Apr 2027 |
| US 9,494,598 | In force Apr 2027 | Apr 2027 |
| US 9,182,405 | In force Apr 2027 | Apr 2027 |
| US 9,719,999 | In force Apr 2027 | Apr 2027 |
| US 9,977,031 | In force Apr 2027 | Apr 2027 |
8 of 11 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 28, 2008 Reel 21008, frame 745 | Goix, Philippe J.; Puskas, Robert; Todd, John; Livingston, Richard A.; Held, Douglas; Wu, Alan | Singulex, Inc. | Assignment of Assignor's Interest |
| Aug 13, 2010 Reel 24834, frame 767 | Goix, Philippe J.; Puskas, Robert; Todd, John; Livingston, Richard A.; Held, Douglas | Singulex, Inc. | Corrective Assignment to Correct the List of Inventors to Remove an Inventor and Update Assignee's Address Previously Recorded on Reel 021008 Frame 0745. Assignor(S) Hereby Confirms the Assignment. |
| Aug 13, 2010 Reel 24834, frame 952 | Wu, Alan H. | The Regents of the University of California | Assignment of Assignor's Interest |
| Oct 14, 2015 Reel 36795, frame 185 | Singulex, Inc. | Oxford Finance LLC | Security Interest |
| Oct 4, 2016 Reel 40224, frame 70 | Oxford Finance LLC | Singulex, Inc. | Termination and Release of Security Interest in Patents (Releases RF 036795/0185) |
| Mar 30, 2017 Reel 42117, frame 716 | Singulex, Inc. | Perceptive Credit Holdings, LP | Patent Security Agreement |
| May 6, 2019 Reel 49095, frame 371 | Perceptive Credit Holdings, LP | Fisk Ventures, LLC | Assignment of Patent Security Agreement |
| May 15, 2025 Reel 71129, frame 814 | Singulex, Inc. | Novilux, LLC | 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
Nov 2027
Term ends Nov 11, 2027. No further fees fall due before then
Note
The 221 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 25% of utility patents granted in 2010 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.