Also listed on Easic Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 2, 2032 · High confidence
20-year base term ends Oct 12, 2031
Held by Solidigm Inc.
Filed Oct 11, 2012 as application 13/649,510 · Granted Feb 17, 2015
Base term plus 203 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Oct 12, 2011
Oct 12, 2011
Term ends
May 2, 2032
May 2, 2032
Granted
Feb 17, 2015
Feb 17, 2015
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
203
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.
5
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 203 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 12, 2011, when application 13/271,679, the earliest non-provisional in its chain, was filed (this one was filed Oct 11, 2012) | Oct 12, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +203 days, USPTO patent term adjustment record | May 2, 2032 | 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 | May 2, 2032 | High confidence |
This family
| Application 61/426,176 | Provisional application no patent term | no patent term |
| US 8,735,857 | In force Aug 2032 | Aug 2032 |
| Application PCT/US2011/066457 | PCT application no patent term | no patent term |
| US 8,957,398 | this patent May 2032 | May 2032 |
| Application PCT/US2013/064364 | 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 |
|---|---|---|---|
| Jan 30, 2013 Reel 29719, frame 912 | Andreev, Alexander; Gribok, Sergey; Scepanovic, Ranko L.; Tan, Phey-chuin; Kung, Chee-wei | Easic Corporation | Assignment of Assignor's Interest |
| Mar 11, 2019 Reel 48559, frame 162 | Easic Corporation | Intel Corporation | Assignment of Assignor's Interest |
| Sep 18, 2025 Reel 72293, frame 744 | Intel Corporation | Intel NDTM US LLC | Assignment of Assignor's Interest |
| Oct 7, 2026 Reel 76656, frame 1 | SK Hynix NAND Product Solutions Corp. | Solidigm 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
May 2032
Term ends May 2, 2032. No further fees fall due before then
Note
The 203 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
17
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.