Term ends Apr 29, 2027 · High confidence
20-year base term ended Jul 20, 2026
Held by Samsung Electronics Co., Ltd.
Filed Jul 20, 2006 as application 11/490,798 · Granted Nov 17, 2009
Base term plus 283 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Jul 20, 2006
Jul 20, 2006
Term ends
Apr 29, 2027
Apr 29, 2027
Granted
Nov 17, 2009
Nov 17, 2009
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
283
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.
5
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 283 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 20, 2006, when this application, 11/490,798, was filed | Jul 20, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +283 days, USPTO patent term adjustment record | Apr 29, 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 | Apr 29, 2027 | High confidence |
This family
| US 7,620,551 | this patent Apr 2027 | Apr 2027 |
| Application PCT/US2007/016451 | PCT application no patent term | no patent term |
| US 7,856,358 | Term ended Jul 2026 | Jul 2026 |
| US 9,251,532 | In force Sep 2028 | Sep 2028 |
| US 9,947,025 | Term ended Jul 2026 | Jul 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 |
|---|---|---|---|
| Jul 20, 2006 Reel 18085, frame 727 | Ho, Edwin | Mspot, Inc. | Assignment of Assignor's Interest |
| Apr 7, 2014 Reel 32622, frame 641 | Mspot, Inc. | Samsung Information Systems America, Inc. | Merger |
| Dec 18, 2014 Reel 34674, frame 412 | Samsung Information Systems America, Inc. | Samsung Research America, Inc. | Change of Name |
| Jan 16, 2015 Reel 34779, frame 914 | Samsung Research America, Inc. | Samsung Electronics Co., Ltd. | 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
Apr 2027
Term ends Apr 29, 2027. No further fees fall due before then
Note
The 283 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
40
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.