Also listed on Terametrix LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Mar 28, 2022 (PNC Bank, National Association).
Term ends Jan 6, 2030 · High confidence
20-year base term ends Jul 14, 2028
Held by Luna Innovations Incorporated
Filed Jul 21, 2010 as application 12/667,986 · Granted Jun 4, 2013
Base term plus 541 days of patent term adjustment (USPTO delay)
Today
2008
2030
Clock starts
Jul 14, 2008
Jul 14, 2008
Term ends
Jan 6, 2030
Jan 6, 2030
Granted
Jun 4, 2013
Jun 4, 2013
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
541
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 541 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 Jul 14, 2008, when application PCT/US2008/069935, the earliest non-provisional in its chain, was filed (this one was filed Jul 21, 2010) | Jul 14, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +541 days, USPTO patent term adjustment record | Jan 6, 2030 | 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 | Jan 6, 2030 | High confidence |
This family
| US 8,457,915 | this patent Jan 2030 | Jan 2030 |
1 of 2 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 |
|---|---|---|---|
| Jul 21, 2010 Reel 24720, frame 202 | White, Jeffrey S.; Fichter, Gregory D.; Zimdars, David A.; Williamson, Steven L. | Picometrix, LLC | Assignment of Assignor's Interest |
| Apr 18, 2012 Reel 28062, frame 942 | Q Park Medical Limited | Proact Medical Limited | Assignment of Assignor's Interest |
| Feb 12, 2013 Reel 29800, frame 507 | Picometrix, LLC | Partners for Growth III, L.P. | Security Agreement |
| Jul 11, 2013 Reel 30822, frame 614 | Aptuit Laurus Private Limited | Laurus Labs Private Limited | Change of Name |
| Mar 12, 2014 Reel 32420, frame 795 | Picometrix, LLC | Silicon Valley Bank | Security Interest |
| May 19, 2015 Reel 35719, frame 460 | Advanced Photonix, Inc.; Picometrix, LLC | Silicon Valley Bank | Security Agreement |
| Aug 4, 2017 Reel 43443, frame 887 | Partners for Growth III, L.P. | Advanced Photonix, Inc.; Picometrix, LLC | Release of Security Interest |
| Aug 4, 2017 reel/frame not recorded | Partners for Growth III, L.P. | Advanced Photonix, Inc. | Release of Security Interest |
| Aug 4, 2017 reel/frame not recorded | Partners for Growth III, L.P. | Picometrix, LLC | Release of Security Interest |
| Feb 4, 2021 Reel 55145, frame 911 | Picometrix, LLC | Terametrix LLC | Change of Name |
| Mar 4, 2021 Reel 56455, frame 331 | Luna Innovations Incorporated; Former Luna Subsidiary, Inc.; General Photonics Corp. | Pnc Bank, National Association | Security Interest |
| May 25, 2021 Reel 56356, frame 234 | Terametrix LLC | Luna Innovations Incorporated | Assignment of Assignor's Interest |
| Mar 28, 2022 Reel 59525, frame 575 | Luna Innovations Incorporated | Pnc Bank, National Association | Security Interest |
| Jul 20, 2024 Reel 68465, frame 55 | Luna Innovations Incorporated; Luna Technologies, Inc.; General Photonics Corp. | White Hat Lightning Opportunity LP (the “Agent”) | Rider to Security Agreement – Patents |
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
Jan 2030
Term ends Jan 6, 2030. No further fees fall due before then
Note
The 541 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
20
later US patents cite this one
That is above the median of utility patents granted in 2013 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.