Lapsed Mar 29, 2023 on the fee record · High confidence
20-year base term ended Jan 24, 2025
Third maintenance fee unpaid; grace period ended.
Held by IGT
Filed Dec 19, 2005 as application 11/312,150 · Granted Mar 29, 2011
Base term, 20 years from filing, plus 1337 days of patent term adjustment (USPTO delay)
Today
Lapsed Mar 29, 2023
2005
2028
Clock starts
Jan 24, 2005
Jan 24, 2005
No longer in force
Mar 29, 2023
Mar 29, 2023
Granted
Mar 29, 2011
Mar 29, 2011
Term would have run to
Sep 22, 2028
Sep 22, 2028
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
1,337
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
26
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Sep 22, 2028: its 20-year base term plus 1337 days of term adjustment for prosecution delay. 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 Jan 24, 2005, when application 11/042,732, the earliest non-provisional in its chain, was filed (this one was filed Dec 19, 2005) | Jan 24, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1337 days, USPTO patent term adjustment record | Sep 22, 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 | 2 of 3 maintenance fees paid | lapsed Mar 29, 2023 | High confidence |
| Computed term end | The steps above, in order | Mar 29, 2023 | High confidence |
This family
| US 7,918,723 | Lapsed on the fee record Apr 2023 | Apr 2023 |
| Application 11/198,218 | Abandoned not computed | not computed |
| US 7,914,368 | this patent Mar 2023 | Mar 2023 |
| US 7,922,587 | In force no later than Jan 2027 | no later than Jan 2027 |
| US 8,308,559 | In force Jun 2029 | Jun 2029 |
| US 8,323,105 | In force Jun 2029 | Jun 2029 |
| US 8,210,920 | In force Feb 2028 | Feb 2028 |
| US 8,182,321 | In force Jan 2027 | Jan 2027 |
8 of 26 applications in this family shown, earliest filings first. 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 16, 2006 Reel 17269, frame 713 | Chun, Jay | LT Game Limited | Assignment of Assignor's Interest |
| Sep 11, 2006 Reel 18246, frame 574 | Chun, Jay | LT Game Limited | Assignment of Assignor's Interest |
| Oct 26, 2007 Reel 20046, frame 676 | LT Game Ltd. | Chun, Jay | Assignment of Assignor's Interest |
| Jun 26, 2013 Reel 30687, frame 205 | Chun, Jay | Solution Champion Limited | Assignment of Assignor's Interest |
| May 18, 2016 Reel 38747, frame 719 | Fresh Idea Global Limited; Solution Champion Limited; LT Game Limited | IGT | 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
Note
The 1337 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
81
later US patents cite this one
That is top 10% 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.