Term ends Feb 15, 2029 · High confidence
20-year base term ends Nov 22, 2026
Held by Magnolia Blue Corporation
Filed Nov 22, 2006 as application 11/603,215 · Granted Dec 4, 2012
Base term plus 816 days of patent term adjustment (USPTO delay)
Today
2006
2029
Clock starts
Nov 22, 2006
Nov 22, 2006
Term ends
Feb 15, 2029
Feb 15, 2029
Granted
Dec 4, 2012
Dec 4, 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
816
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 816 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 Nov 22, 2006, when this application, 11/603,215, was filed | Nov 22, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +816 days, USPTO patent term adjustment record | Feb 15, 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 | Feb 15, 2029 | High confidence |
This family
| US 8,325,115 | this patent Feb 2029 | Feb 2029 |
| US 9,214,108 | In force Nov 2026 | Nov 2026 |
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 12, 2007 Reel 18900, frame 624 | Tada, Mitsuru; Hasegawa, Hiroshi; Ozawa, Atsushi | Sony Corporation | Assignment of Assignor's Interest |
| Jul 15, 2015 Reel 36106, frame 355 | Sony Corporation | Joled Inc. | Assignment of Assignor's Interest |
| Apr 20, 2023 Reel 63396, frame 671 | Joled, Inc. | Incj, Ltd. | Security Interest |
| Jun 12, 2023 Reel 64067, frame 723 | Joled, Inc. | Joled, Inc. | Correction by Affidavit Filed Against Reel/Frame 063396/0671 |
| Jan 31, 2024 Reel 66382, frame 619 | Joled, Inc. | Jdi Design and Development G.K. | Assignment of Assignor's Interest |
| Jul 18, 2025 Reel 72039, frame 656 | Jdi Design and Development G.K. | Magnolia Blue Corporation | 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
Feb 2029
Term ends Feb 15, 2029. No further fees fall due before then
Note
The 816 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
89
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.