Lapsed Oct 28, 2018 on the fee record · High confidence
20-year base term ends Jun 2, 2028
First maintenance fee unpaid; grace period ended.
Held by Netlist, Inc.
Filed Jul 26, 2012 as application 13/559,476 · Granted Oct 28, 2014
Base term, 20 years from filing, plus 176 days of patent term adjustment (USPTO delay)
Today
Lapsed Oct 28, 2018
2008
2028
Clock starts
Jun 2, 2008
Jun 2, 2008
No longer in force
Oct 28, 2018
Oct 28, 2018
Granted
Oct 28, 2014
Oct 28, 2014
Term would have run to
Nov 25, 2028
Nov 25, 2028
base term
patent term adjustment
after the term ends
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
176
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
23
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 Nov 25, 2028: its 20-year base term plus 176 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 Jun 2, 2008, when application 12/131,873, the earliest non-provisional in its chain, was filed (this one was filed Jul 26, 2012) | Jun 2, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +176 days, USPTO patent term adjustment record | Nov 25, 2028 | 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 | 0 of 3 maintenance fees paid | lapsed Oct 28, 2018 | High confidence |
| Computed term end | The steps above, in order | Oct 28, 2018 | High confidence |
This family
| Application 12/131,873 | Abandoned not computed | not computed |
| US 8,301,833 | In force Mar 2030 | Mar 2030 |
| US 8,516,187 | In force Jun 2028 | Jun 2028 |
| US 8,874,831 | this patent Oct 2018 | Oct 2018 |
| Application PCT/US2012/048750 | PCT application no patent term | no patent term |
| US 8,904,098 | In force Jul 2028 | Jul 2028 |
| US 8,677,060 | In force no later than Jun 2028 | no later than Jun 2028 |
| US 8,671,243 | In force no later than Jun 2028 | no later than Jun 2028 |
8 of 23 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 |
|---|---|---|---|
| Feb 20, 2013 Reel 29843, frame 824 | Lee, Hyun; Chen, Chi-she; Solomon, Jeffrey C.; Milton, Scott; Bhakta, Jayesh | Netlist, Inc. | Assignment of Assignor's Interest |
| 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 176 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
273
later US patents cite this one
That is top 1% 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.