Term ended Nov 2, 2023 · High confidence
20-year base term ended Apr 11, 2023
Held by Samsung Display Co., Ltd.
Filed May 23, 2006 as application 11/439,474 · Granted Mar 31, 2009
Base term plus 205 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 2, 2023
2003
2026
Clock starts
Apr 11, 2003
Apr 11, 2003
Term ended
Nov 2, 2023
Nov 2, 2023
Granted
Mar 31, 2009
Mar 31, 2009
base term
patent term adjustment
after the term ends
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
205
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.
7
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 205 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Apr 11, 2003, when application 10/412,133, the earliest non-provisional in its chain, was filed (this one was filed May 23, 2006) | Apr 11, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +205 days, USPTO patent term adjustment record | Nov 2, 2023 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 2, 2023 | High confidence |
This family
| US 8,808,457 | In force Sep 2027 | Sep 2027 |
| US 8,900,366 | In force Mar 2027 | Mar 2027 |
| Application PCT/US2005/030227 | PCT application no patent term | no patent term |
| US 7,510,913 | this patent Nov 2023 | Nov 2023 |
| Application PCT/US2007/010068 | PCT application no patent term | no patent term |
| US 7,648,925 | Term ended Apr 2023 | Apr 2023 |
| Application PCT/US2008/068337 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Sep 22, 2006 Reel 18288, frame 437 | Moro, Lorenza; Chu, Xi; Rosenblum, Martin P.; Nelson, Kenneth J. | Vitex Systems, Inc. | Assignment of Assignor's Interest |
| Sep 22, 2006 Reel 18288, frame 715 | Burrows, Paul E.; Gross, Mark E.; Zumhoff, Mac R.; Martin, Peter M.; Bonham, Charles C.; Graff, Gordon L. | Battelle Memorial Institute | Assignment of Assignor's Interest |
| Nov 30, 2006 Reel 18568, frame 299 | Battelle Memorial Institute | Vitex Systems, Inc. | Assignment of Assignor's Interest |
| Feb 15, 2007 Reel 18892, frame 760 | Battelle Memorial Institute | Vitex Systems, Inc. | Corrective Assignment to Correct the State of Incorporation of Assignee from Ohio to Delaware Previously Recorded on Reel 018568 Frame 0299. Assignor(S) Hereby Confirms the Correction of the State of Incorporation of Assignee from Ohio to Delaware. |
| Dec 20, 2010 Reel 25524, frame 860 | Vitex Systems, Inc. | Samsung Mobile Display Co., Ltd. | Assignment of Assignor's Interest |
| Sep 7, 2012 Reel 28912, frame 83 | 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
Note
The 205 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
52
later US patents cite this one
That is top 25% of utility patents granted in 2009 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.