Term ends Nov 28, 2026 · High confidence
20-year base term ended Jul 31, 2026
Held by SanDisk Technologies, Inc.
Filed Jul 31, 2006 as application 11/461,369 · Granted Mar 3, 2009
Base term plus 120 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Jul 31, 2006
Jul 31, 2006
Term ends
Nov 28, 2026
Nov 28, 2026
Granted
Mar 3, 2009
Mar 3, 2009
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
120
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.
7
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 120 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 Jul 31, 2006, when this application, 11/461,369, was filed | Jul 31, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +120 days, USPTO patent term adjustment record | Nov 28, 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 | Nov 28, 2026 | High confidence |
This family
| US 7,499,366 | this patent Nov 2026 | Nov 2026 |
| US 7,486,587 | Term ended Sep 2026 | Sep 2026 |
| Application PCT/US2007/074901 | PCT application no patent term | no patent term |
| US 8,004,927 | Lapsed on the fee record Aug 2023 | Aug 2023 |
| US 8,279,704 | Lapsed on the fee record Oct 2024 | Oct 2024 |
| US 8,509,025 | Term ended Jul 2026 | Jul 2026 |
| Application PCT/US2011/050012 | PCT application no patent term | no patent term |
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 22, 2006 Reel 18300, frame 925 | Scheuerlein, Roy E.; Fasoli, Luca G. | 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 |
| Dec 31, 2024 Reel 69796, frame 423 | SanDisk Technologies LLC | SanDisk Technologies, Inc. | Assignment of Assignor's Interest |
| Apr 25, 2025 Reel 71050, frame 1 | SanDisk Technologies, Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Security Agreement |
| Apr 25, 2025 Reel 71382, frame 1 | JPMorgan Chase Bank, N.A., as Agent | SanDisk Technologies, Inc. | Partial Release of Security Interests |
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
Nov 2026
Term ends Nov 28, 2026. No further fees fall due before then
Note
The 120 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
26
later US patents cite this one
That is above 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.