Term ends Feb 1, 2027 · High confidence
20-year base term ended Jun 18, 2024
Held by Bot M8 LLC
Filed Jun 18, 2004 as application 10/869,875 · Granted Mar 3, 2009
Base term plus 958 days of patent term adjustment (USPTO delay)
Today
2004
2027
Clock starts
Jun 18, 2004
Jun 18, 2004
Term ends
Feb 1, 2027
Feb 1, 2027
Granted
Mar 3, 2009
Mar 3, 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
958
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.
6
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 958 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 Jun 18, 2004, when this application, 10/869,875, was filed | Jun 18, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +958 days, USPTO patent term adjustment record | Feb 1, 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 | Feb 1, 2027 | High confidence |
This family
| US 7,377,852 | Term ended Dec 2021 | Dec 2021 |
| US 7,258,612 | Term ended Jun 2024 | Jun 2024 |
| US 7,338,363 | Term ended Jun 2025 | Jun 2025 |
| US 7,497,777 | this patent Feb 2027 | Feb 2027 |
| US 7,664,988 | Term ended Oct 2026 | Oct 2026 |
| US 8,095,990 | Lapsed on the fee record Jan 2024 | Jan 2024 |
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 |
|---|---|---|---|
| Jun 18, 2004 Reel 15491, frame 775 | Machida, Matsuzo | Aruze Corp. | Assignment of Assignor's Interest |
| Dec 23, 2009 Reel 23691, frame 877 | Aruze Corporation (Aruze Kabushiki Kaisha) | Universal Entertainment Corporation | Change of Name |
| Dec 6, 2016 Reel 40823, frame 741 | Universal Entertainment Corporation | Bot M8 LLC | Patent Purchase Agreement |
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
Feb 2027
Term ends Feb 1, 2027. No further fees fall due before then
Note
The 958 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
16
later US patents cite this one
That is above the median 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.