Also listed on SanDisk, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Lapsed Sep 18, 2024 on the fee record · High confidence
20-year base term ends Apr 15, 2028
Third maintenance fee unpaid; grace period ended.
Held by SanDisk Technologies LLC
Filed Aug 11, 2011 as application 13/207,670 · Granted Sep 18, 2012
Base term, 20 years from filing
Today
Lapsed Sep 18, 2024
2008
2028
Clock starts
Apr 15, 2008
Apr 15, 2008
No longer in force
Sep 18, 2024
Sep 18, 2024
Granted
Sep 18, 2012
Sep 18, 2012
Term would have run to
Apr 15, 2028
Apr 15, 2028
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 8,028,123, to Apr 15, 2028. The term already ends on or before that date, so the cap shortened nothing.
2 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.
6
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Apr 15, 2028: 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. 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 Apr 15, 2008, when application 12/103,277, the earliest non-provisional in its chain, was filed (this one was filed Aug 11, 2011) | Apr 15, 2028 | 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 8,028,123) | resolves to Apr 15, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Sep 18, 2024 | High confidence |
| Computed term end | The steps above, in order | Sep 18, 2024 | High confidence |
This family
| US 8,566,505 | In force Jan 2030 | Jan 2030 |
| US 8,028,123 | In force Jan 2030 | Jan 2030 |
| Application 12/424,464 | Abandoned not computed | not computed |
| US 8,180,954 | In force no later than Jun 2029 | no later than Jun 2029 |
| US 8,185,778 | In force May 2029 | May 2029 |
| US 8,271,722 | this patent Sep 2024 | Sep 2024 |
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 |
|---|---|---|---|
| Aug 11, 2011 Reel 26737, frame 898 | Kilzer, Kevin L.; Ellis, Robert W.; Sterbenz, Rudolph J. | Adtron Corporation | Nunc Pro Tunc Assignment |
| May 29, 2013 Reel 30508, frame 867 | Adtron Corporation | Smart Modular Technologies (Az), Inc. | Change of Name |
| May 29, 2013 Reel 30508, frame 872 | Smart Modular Technologies (Az), Inc. | Smart Storage Systems (Az), Inc. | Change of Name |
| May 29, 2013 Reel 30508, frame 878 | Smart Storage Systems (Az), Inc. | Smart Storage Systems, Inc. | Change of Name |
| Mar 29, 2016 Reel 38290, frame 33 | Smart Storage Systems, Inc. | SanDisk Technologies Inc. | Assignment of Assignor's Interest |
| May 25, 2016 Reel 38807, frame 850 | SanDisk Technologies Inc. | SanDisk Technologies LLC | 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,028,123, ends no earlier than this term, so it caps nothing.
Citations
3
later US patents cite this one
That is below the median 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.