Also listed on Pliant Technology, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 20, 2029 · High confidence
20-year base term ends Apr 8, 2028
Held by SanDisk Technologies, Inc.
Filed Apr 8, 2008 as application 12/082,207 · Granted Jul 8, 2014
Base term plus 287 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Apr 8, 2008
Apr 8, 2008
Term ends
Jan 20, 2029
Jan 20, 2029
Granted
Jul 8, 2014
Jul 8, 2014
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
287
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 287 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 Apr 8, 2008, when this application, 12/082,207, was filed | Apr 8, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +287 days, USPTO patent term adjustment record | Jan 20, 2029 | 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 | Jan 20, 2029 | High confidence |
This family
| US 8,775,717 | this patent Jan 2029 | Jan 2029 |
| Application PCT/US2008/088154 | 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 |
|---|---|---|---|
| Apr 8, 2008 Reel 20822, frame 912 | Prins, Douglas A.; Olbrich, Aaron K. | Pliant Technology, Inc. | Assignment of Assignor's Interest |
| Mar 31, 2011 Reel 26066, frame 659 | Pliant Technology, Inc. | Silicon Valley Bank | Security Agreement |
| Apr 1, 2011 Reel 26067, frame 768 | Pliant Technology, Inc. | Silicon Valley Bank; Gold Hill Venture Lending 03, LP | Security Agreement |
| Apr 1, 2011 reel/frame not recorded | Pliant Technology, Inc. | Silicon Valley Bank | Security Agreement |
| Apr 1, 2011 reel/frame not recorded | Pliant Technology, Inc. | Gold Hill Venture Lending 03, LP | Security Agreement |
| Apr 4, 2011 Reel 26073, frame 26 | Pliant Technology, Inc. | SanDisk Corporation | Security Agreement |
| Jun 21, 2011 Reel 26468, frame 930 | Gold Hill Venture Lending 03, LP; Silicon Valley Bank | Pliant Technology, Inc. | Release of Security Interest in Intellectual Property |
| Jun 21, 2011 Reel 26468, frame 942 | Silicon Valley Bank | Pliant Technology, Inc. | Release of Security Interest in Intellectual Property |
| Aug 18, 2011 Reel 26771, frame 541 | Pliant Technology, Inc. | Pliant Technology, LLC | Conversion to LLC |
| Aug 19, 2011 Reel 26781, frame 135 | Pliant Technology, LLC | SanDisk Pacific Holdco, Inc. | Patent Assignment |
| Aug 25, 2011 Reel 27190, frame 190 | Pliant Technology, LLC | SanDisk Enterprise IP LLC | Corrective Assignment to Correct the Assignee Previously Recorded on Reel 026781 Frame 0135. Assignor(S) Hereby Confirms the Patent Assignment. |
| 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 |
| 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
Jan 2029
Term ends Jan 20, 2029. No further fees fall due before then
Note
The 287 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
159
later US patents cite this one
That is top 5% of utility patents granted in 2014 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.