Term ended Jul 1, 2026 · Medium confidence
20-year base term ended Jun 29, 2026
Why Medium: A parent in the chain could not be resolved.
Held by Mimirip LLC
Filed Feb 6, 2008 as application 12/027,056 · Granted Sep 8, 2009
Base term plus 2 days of patent term adjustment (USPTO delay)
Today
Term ended Jul 1, 2026
2006
2026
Clock starts
Jun 29, 2006
Jun 29, 2006
Term ended
Jul 1, 2026
Jul 1, 2026
Granted
Sep 8, 2009
Sep 8, 2009
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
2
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.
3
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 2 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. Confidence: Medium. 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 29, 2006, when application 11/476,562, the earliest non-provisional in its chain, was filed (this one was filed Feb 6, 2008); a parent in its chain could not be resolved (the next row) | Jun 29, 2026 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +2 days, USPTO patent term adjustment record | Jul 1, 2026 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Jul 1, 2026 | Medium confidence |
This family
| US 7,345,930 | Lapsed on the fee record Mar 2020 | Mar 2020 |
| US 7,586,798 | this patent Jul 2026 | Jul 2026 |
| US 7,813,197 | In force Dec 2026 | Dec 2026 |
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 |
|---|---|---|---|
| May 6, 2024 Reel 67328, frame 814 | Hynix-Semiconductor Inc. | SK Hynix Inc. | Change of Name |
| May 9, 2024 Reel 67369, frame 832 | SK Hynix Inc. | Mimirip LLC | Assignment of Assignor's Interest |
| May 14, 2024 Reel 67412, frame 482 | Hynix Semiconductor Inc. | SK Hynix Inc. | Corrective Assignment to Correct the Assignee Is Hynix Semiconductor Inc. Not Hynix-Semiconductor Inc. There Is No Hyphen in the Name. Previously Recorded on Reel 67328 Frame 814. Assignor(S) Hereby Confirms the Change of Name. |
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 2 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below 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.