Also listed on SanDisk Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 9, 2026 · High confidence
20-year base term ended Oct 24, 2026
Held by Woden Technologies Inc.
Filed Oct 24, 2006 as application 11/552,426 · Granted Jun 24, 2008
Base term plus 46 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Oct 24, 2006
Oct 24, 2006
Term ends
Dec 9, 2026
Dec 9, 2026
Granted
Jun 24, 2008
Jun 24, 2008
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
46
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.
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 46 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 24, 2006, when this application, 11/552,426, was filed | Oct 24, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +46 days, USPTO patent term adjustment record | Dec 9, 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 | In force | High confidence |
| Computed term end | The steps above, in order | Dec 9, 2026 | High confidence |
This family
| US 7,391,638 | this patent Dec 2026 | Dec 2026 |
| US 7,593,249 | Lapsed on the fee record Sep 2021 | Sep 2021 |
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 |
|---|---|---|---|
| Jan 23, 2007 Reel 18792, frame 763 | Fasoli, Luca G.; Thorp, Tyler | SanDisk 3D LLC | Assignment of Assignor's Interest |
| Mar 30, 2016 Reel 38300, frame 665 | SanDisk 3D LLC. | SanDisk Technologies Inc. | Assignment of Assignor's Interest |
| Apr 25, 2016 Reel 38520, frame 552 | SanDisk 3D LLC | SanDisk Technologies Inc. | Corrective Assignment to Correct the Incorrect Listed Patent Number 8853569 to the Correct Patent Number 8883569 Previously Recorded on Reel 038300 Frame 0665. Assignor(S) Hereby Confirms the Assignment. |
| May 25, 2016 Reel 38809, frame 472 | SanDisk Technologies Inc. | SanDisk Technologies LLC | Change of Name |
| Nov 12, 2021 Reel 58871, frame 928 | SanDisk Technologies LLC | Woden Technologies Inc. | 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.
What's changing
Dec 2026
Term ends Dec 9, 2026. No further fees fall due before then
Note
The 46 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
23
later US patents cite this one
That is above the median of utility patents granted in 2008 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.