Term ended Sep 27, 2026 · High confidence
20-year base term ended Sep 27, 2026
Held by Ak Globaltech Corp.
Filed Nov 29, 2010 as application 12/955,628 · Granted Aug 28, 2012
Base term, 20 years from filing
Today
Term ended Sep 27, 2026
2006
2026
Clock starts
Sep 27, 2006
Sep 27, 2006
Term ended
Sep 27, 2026
Sep 27, 2026
Granted
Aug 28, 2012
Aug 28, 2012
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,841,224, to Sep 27, 2026. The term already ends on or before that date, so the cap shortened nothing.
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.
9
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees were paid, so no fee lapse ended it. 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 Sep 27, 2006, when application 11/528,979, the earliest non-provisional in its chain, was filed (this one was filed Nov 29, 2010) | Sep 27, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,841,224) | resolves to Sep 27, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Sep 27, 2026 | High confidence |
This family
| US 7,841,224 | In force Oct 2027 | Oct 2027 |
| US 8,250,900 | this patent Sep 2026 | Sep 2026 |
| US 9,103,818 | Term ended Sep 2026 | Sep 2026 |
| US 9,562,890 | Term ended Sep 2026 | Sep 2026 |
| US 10,488,399 | Term ended Sep 2026 | Sep 2026 |
| US 11,150,235 | Term ended Sep 2026 | Sep 2026 |
| US 11,619,626 | Term ended Sep 2026 | Sep 2026 |
| US 12,523,645 | Term ended Nov 2026 | Nov 2026 |
8 of 9 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 21, 2012 Reel 27739, frame 660 | Ak Solutions USA, LLC | Ak Globaltech Corp. | 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,841,224, ends no earlier than this term, so it caps nothing.
Citations
25
later US patents cite this one
That is top 25% of utility patents granted in 2012 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.