Also listed on Hpo Assets LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 24, 2028 · Medium confidence
20-year base term ends Mar 24, 2028
Why Medium: A parent in the chain could not be resolved.
Held by E-Vision Optics, LLC
Filed Jul 12, 2010 as application 12/834,526 · Granted Dec 25, 2012
Base term, 20 years from filing
Today
2008
2028
Clock starts
Mar 24, 2008
Mar 24, 2008
Term ends
Mar 24, 2028
Mar 24, 2028
Granted
Dec 25, 2012
Dec 25, 2012
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
27
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 24, 2008, when application 12/054,299, the earliest non-provisional in its chain, was filed (this one was filed Jul 12, 2010); a parent in its chain could not be resolved (the next row) | Mar 24, 2028 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | 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 | Mar 24, 2028 | Medium confidence |
This family
| Application 12/054,299 | Abandoned not computed | not computed |
| US 8,337,014 | this patent Mar 2028 | Mar 2028 |
| US 8,922,902 | In force Mar 2031 | Mar 2031 |
| Application 13/169,996 | Abandoned not computed | not computed |
| US 8,783,861 | In force Mar 2032 | Mar 2032 |
| Application 13/175,634 | Abandoned not computed | not computed |
| US 8,979,259 | In force Aug 2032 | Aug 2032 |
| US 8,944,590 | In force Jul 2031 | Jul 2031 |
8 of 27 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 29, 2010 Reel 24760, frame 807 | Kokonaski, William; Blum, Ronald D.; Tabacchi, Tiziano; Pinazza, Massimo; Boch, Martin; Richman, Scott N.; Ozguz, Volkan; Haddock, Joshua N. | Pixeloptics Inc. | Assignment of Assignor's Interest |
| Jul 3, 2014 Reel 33240, frame 931 | Pixeloptics, Inc. | Hpo Assets LLC | Assignment of Assignor's Interest |
| Nov 4, 2014 Reel 34099, frame 969 | Hpo Assets LLC | Mitsui Chemicals, Inc. | Assignment of Assignor's Interest |
| Jan 17, 2018 Reel 44643, frame 722 | Mitsui Chemicals, Inc. | E-Vision, LLC | Assignment of Assignor's Interest |
| Nov 20, 2023 Reel 65629, frame 772 | E-Vision, LLC | E-Vision Optics, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2028
Term ends Mar 24, 2028. No further fees fall due before then
Citations
74
later US patents cite this one
That is top 10% 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.