Also listed on Samsung OLED Co., Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Oct 20, 2027 · High confidence
20-year base term ended Jul 16, 2023
Held by Samsung Display Co., Ltd.
Filed Jul 16, 2003 as application 10/619,512 · Granted Sep 27, 2011
Base term plus 1557 days of patent term adjustment (USPTO delay)
Today
2003
2027
Clock starts
Jul 16, 2003
Jul 16, 2003
Term ends
Oct 20, 2027
Oct 20, 2027
Granted
Sep 27, 2011
Sep 27, 2011
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
1,557
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 1557 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 16, 2003, when this application, 10/619,512, was filed | Jul 16, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1557 days, USPTO patent term adjustment record | Oct 20, 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 | Oct 20, 2027 | 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 |
|---|---|---|---|
| Jul 16, 2003 Reel 14284, frame 62 | Keum, Ji Hwan; Ji, Chang Soon; Kim, Hyung Min; Namgoong, Sung Tae | Samsung NEC Mobile Display Co., Ltd. | Assignment of Assignor's Interest |
| Jun 21, 2004 Reel 15486, frame 952 | Samsung NEC Mobile Display Co., Ltd. | Samsung OLED Co., Ltd. | Assignment of Assignor's Interest |
| Apr 25, 2005 Reel 16540, frame 121 | Samsung OLED Co., Ltd. | Samsung SDI 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
Oct 2027
Term ends Oct 20, 2027. No further fees fall due before then
Note
The 1557 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
24
later US patents cite this one
That is top 25% of utility patents granted in 2011 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.