Also listed on Creative Kingdoms, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 10, 2027 · High confidence
20-year base term ends Apr 13, 2027
Held by MQ Gaming, LLC
Filed Aug 5, 2009 as application 12/536,403 · Granted Sep 20, 2011
Base term plus 125 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2007
2027
Clock starts
Apr 13, 2007
Apr 13, 2007
Term ends
Jul 10, 2027
Jul 10, 2027
Granted
Sep 20, 2011
Sep 20, 2011
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
125
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,572,191.
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.
2
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 125 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Apr 13, 2007, when application 11/735,222, the earliest non-provisional in its chain, was filed (this one was filed Aug 5, 2009) | Apr 13, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +125 days, USPTO patent term adjustment record | Aug 16, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,572,191) | capped to Jul 10, 2027 | 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 | Jul 10, 2027 | High confidence |
This family
| US 7,572,191 | In force Jul 2027 | Jul 2027 |
| US 8,021,239 | this patent Jul 2027 | Jul 2027 |
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 19, 2013 Reel 31245, frame 780 | New Kingdoms, LLC; Creative Kingdoms, LLC | Deutsche Bank AG New York Branch | Security Agreement |
| Jan 29, 2014 Reel 32078, frame 266 | Weston, Denise C.; Briggs, Rick A. | Creative Kingdoms, LLC | Assignment of Assignor's Interest |
| Jan 31, 2014 Reel 32106, frame 628 | Creative Kingdoms, LLC | MQ Gaming, LLC | Assignment of Assignor's Interest |
| Feb 19, 2015 Reel 34987, frame 49 | Deutsche Bank AG New York Branch | Creative Kingdoms, LLC; Great Wolf Resorts Holdings, Inc. (F/K/A Great Wolf Resorts, Inc.) | Release of Security Interest |
| Feb 19, 2015 reel/frame not recorded | Deutsche Bank AG New York Branch | Creative Kingdoms, LLC | Release of Security Interest |
| Feb 19, 2015 reel/frame not recorded | Deutsche Bank AG New York Branch | Great Wolf Resorts Holdings, Inc. (F/K/A Great Wolf Resorts, Inc.) | Release of Security 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.
What's changing
Jul 2027
Term ends Jul 10, 2027. No further fees fall due before then
Note
The 125 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,572,191.
Citations
110
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.