Lapsed Jul 24, 2024 on the fee record · High confidence
20-year base term ends May 29, 2028
Third maintenance fee unpaid; grace period ended.
Held by SanDisk Technologies LLC
Filed Nov 24, 2008 as application 12/276,540 · Granted Jul 24, 2012
Base term, 20 years from filing, plus 585 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 24, 2024
2008
2030
Clock starts
May 29, 2008
May 29, 2008
No longer in force
Jul 24, 2024
Jul 24, 2024
Granted
Jul 24, 2012
Jul 24, 2012
Term would have run to
Jan 4, 2030
Jan 4, 2030
base term
patent term adjustment
after the term ends
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
585
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
8
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 Jan 4, 2030: its 20-year base term plus 585 days of term adjustment for prosecution delay. 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 May 29, 2008, when application PCT/US2008/065167, the earliest non-provisional in its chain, was filed (this one was filed Nov 24, 2008) | May 29, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +585 days, USPTO patent term adjustment record | Jan 4, 2030 | 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 | 2 of 3 maintenance fees paid | lapsed Jul 24, 2024 | High confidence |
| Computed term end | The steps above, in order | Jul 24, 2024 | High confidence |
This family
| Application 60/940,934 | Provisional application no patent term | no patent term |
| Application PCT/US2008/065167 | PCT application no patent term | no patent term |
| US 7,975,109 | In force Oct 2029 | Oct 2029 |
| US 8,732,386 | In force Dec 2030 | Dec 2030 |
| US 8,229,945 | this patent Jul 2024 | Jul 2024 |
| US 8,244,969 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 8,667,001 | In force May 2028 | May 2028 |
| US 8,667,212 | In force May 2028 | May 2028 |
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 |
|---|---|---|---|
| Dec 29, 2008 Reel 22035, frame 836 | Dinker, Darpan; Eckhardt, Andrew David; Ouye, Darryl Manabu; O'krafka, Brian Walter; Cohen, Earl T.; McWilliams, Thomas M. | Schooner Information Technology,inc. | Assignment of Assignor's Interest |
| Aug 2, 2012 Reel 28710, frame 950 | Schooner Information Technology, Inc. | SanDisk Enterprise IP, LLC | Assignment of Assignor's Interest |
| Mar 29, 2016 Reel 38295, frame 225 | SanDisk Enterprise IP LLC | SanDisk Technologies Inc. | Assignment of Assignor's Interest |
| May 25, 2016 Reel 38809, frame 600 | 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.
What's changing
Note
The 585 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
181
later US patents cite this one
That is top 5% 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.