Also listed on Samsung OLED Co., Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Apr 4, 2028 · High confidence
20-year base term ended Nov 24, 2023
Held by Samsung Display Co., Ltd.
Filed Nov 24, 2003 as application 10/718,640 · Granted Nov 23, 2010
Base term plus 1593 days of patent term adjustment (USPTO delay)
Today
2003
2028
Clock starts
Nov 24, 2003
Nov 24, 2003
Term ends
Apr 4, 2028
Apr 4, 2028
Granted
Nov 23, 2010
Nov 23, 2010
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,593
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.
This patent's term runs 1593 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 24, 2003, when this application, 10/718,640, was filed | Nov 24, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1593 days, USPTO patent term adjustment record | Apr 4, 2028 | 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 | Apr 4, 2028 | High confidence |
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 |
|---|---|---|---|
| Nov 24, 2003 Reel 15543, frame 309 | Shigemura, Koji; Kang, Chang Ho | Samsung Electronics Co., Ltd. | Assignment of Assignor's Interest |
| Jan 26, 2005 Reel 16194, frame 145 | Shigemura, Koji; Kang, Chang Ho | Samsung NEC Mobile Display Co., Ltd. | Corrective Assignment to Correct Assignee's Name Previously Recorded at Reel 015543 Frame 0309. |
| Apr 29, 2005 Reel 16540, frame 93 | Samsung NEC Mobile Display Co., Ltd. | Samsung OLED Co., Ltd. | Assignment of Assignor's Interest |
| Apr 29, 2005 Reel 16543, frame 576 | Samsung OLED Co., Ltd. | Samsung SDI Co., Ltd. | Assignment of Assignor's Interest |
| May 12, 2005 Reel 16568, frame 225 | Samsung NEC Mobile Display Co., Ltd. | Samsung OLED Co., Ltd. | Assignment of Assignor's Interest |
| Dec 12, 2008 Reel 22010, frame 1 | Samsung SDI Co., Ltd. | Samsung Mobile Display Co., Ltd. | Assignment of Assignor's Interest |
| Aug 20, 2012 Reel 28816, frame 306 | Samsung Mobile Display Co., Ltd. | Samsung Display Co., Ltd. | Merger |
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
Apr 2028
Term ends Apr 4, 2028. No further fees fall due before then
Note
The 1593 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
44
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.