Lapsed Apr 12, 2020 on the fee record · High confidence
20-year base term ends Jun 14, 2030
First maintenance fee unpaid; grace period ended.
Held by Netlist, Inc.
Filed Jul 16, 2013 as application 13/942,721 · Granted Apr 12, 2016
Base term, 20 years from filing, plus 248 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 12, 2020
2010
2031
Clock starts
Jun 14, 2010
Jun 14, 2010
No longer in force
Apr 12, 2020
Apr 12, 2020
Granted
Apr 12, 2016
Apr 12, 2016
Term would have run to
Feb 17, 2031
Feb 17, 2031
base term
patent term adjustment
after the term ends
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
248
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,489,837, to Feb 17, 2031. The term already ends on or before that date, so the cap shortened nothing.
0 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.
11
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 Feb 17, 2031: its 20-year base term plus 248 days of term 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 Jun 14, 2010, when application 12/815,339, the earliest non-provisional in its chain, was filed (this one was filed Jul 16, 2013) | Jun 14, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +248 days, USPTO patent term adjustment record | Feb 17, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,489,837) | resolves to Feb 17, 2031, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Apr 12, 2020 | High confidence |
| Computed term end | The steps above, in order | Apr 12, 2020 | High confidence |
This family
| US 8,489,837 | Lapsed on the fee record Jul 2021 | Jul 2021 |
| US 9,311,116 | this patent Apr 2020 | Apr 2020 |
| US 9,711,910 | In force Feb 2036 | Feb 2036 |
| US 9,667,001 | In force Apr 2036 | Apr 2036 |
| US 9,858,218 | Lapsed on the fee record Jan 2026 | Jan 2026 |
| US 9,535,623 | Lapsed on the fee record Jan 2021 | Jan 2021 |
| US 10,063,015 | In force Feb 2036 | Feb 2036 |
| US 10,474,595 | In force Jun 2030 | Jun 2030 |
8 of 11 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Nov 20, 2015 Reel 37150, frame 897 | Netlist, Inc. | Svic No. 28 New Technology Business Investment L.L.P. | Security Interest |
| Nov 20, 2023 Reel 65629, frame 328 | Svic. No. 28 New Technology Business Investment L.L.P. | Netlist, Inc. | Release of Security 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 248 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,489,837, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2016 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.