Collateral for a security interest recorded Apr 4, 2025 (JPMorgan Chase Bank, N.A.).
Term ends Dec 14, 2032 · High confidence
20-year base term ends Oct 30, 2029
Held by Munchkin, Inc.
Filed Oct 30, 2009 as application 12/609,842 · Granted Jun 3, 2014
Base term plus 1141 days of patent term adjustment (USPTO delay)
Today
2009
2032
Clock starts
Oct 30, 2009
Oct 30, 2009
Term ends
Dec 14, 2032
Dec 14, 2032
Granted
Jun 3, 2014
Jun 3, 2014
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
1,141
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.
10
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 1141 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 Oct 30, 2009, when this application, 12/609,842, was filed | Oct 30, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1141 days, USPTO patent term adjustment record | Dec 14, 2032 | 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 | Dec 14, 2032 | High confidence |
This family
| Application 12/609,844 | Abandoned not computed | not computed |
| US 8,833,592 | In force (reinstated) Jan 2032 | Jan 2032 |
| Application 12/609,743 | Abandoned not computed | not computed |
| US 8,567,157 | In force Oct 2031 | Oct 2031 |
| Application 12/609,703 | Abandoned not computed | not computed |
| US 10,343,842 | In force Jun 2032 | Jun 2032 |
| US 8,739,501 | this patent Dec 2032 | Dec 2032 |
| US 8,635,838 | In force Aug 2032 | Aug 2032 |
8 of 10 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 |
|---|---|---|---|
| Jun 23, 2010 Reel 24579, frame 374 | Dunn, Steven B.; Hatherill, Mark A.; Johnson, Kevin D. | Munchkin, Inc. | Assignment of Assignor's Interest |
| Apr 4, 2025 Reel 70740, frame 669 | Munchkin, Inc. | Jpmorgan Chase Bank, N.a. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2032
Term ends Dec 14, 2032. No further fees fall due before then
Note
The 1141 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
30
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.