Term ends Apr 14, 2029 · Medium confidence
20-year base term ends Apr 14, 2029
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,058,137, US 8,153,499), so the cap could be lower.
Held by Samsung Electronics Co., Ltd.
Filed Aug 19, 2010 as application 12/859,665 · Granted Mar 26, 2013
Base term plus 457 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2009
2029
Clock starts
Apr 14, 2009
Apr 14, 2009
Term ends
Apr 14, 2029
Apr 14, 2029
Granted
Mar 26, 2013
Mar 26, 2013
base term
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
457
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,058,137, US 8,153,499, US 8,237,228.
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.
246
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 457 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 14, 2009, when application 12/423,214, the earliest non-provisional in its chain, was filed (this one was filed Aug 19, 2010) | Apr 14, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +457 days, USPTO patent term adjustment record | Jul 15, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,058,137, US 8,153,499, US 8,237,228) | capped to Apr 14, 2029 | Medium 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 | Apr 14, 2029 | Medium confidence |
This family
| US 8,384,426 | Lapsed on the fee record Feb 2021 | Feb 2021 |
| Application 12/577,532 | Abandoned not computed | not computed |
| Application 12/706,520 | Abandoned not computed | not computed |
| US 7,964,916 | Lapsed on the fee record Jun 2019 | Jun 2019 |
| US 8,115,511 | Lapsed on the fee record Feb 2020 | Feb 2020 |
| US 7,960,242 | In force (reinstated) Apr 2029 | Apr 2029 |
| US 7,986,042 | Lapsed on the fee record Jul 2019 | Jul 2019 |
| US 8,405,420 | this patent Apr 2029 | Apr 2029 |
8 of 246 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 12, 2010 Reel 25357, frame 248 | Cronquist, Brian; Beinglass, Israel; De Jong, J. L.; Sekar, Deepak C. | Nupga Corporation | Assignment of Assignor's Interest |
| Mar 16, 2011 Reel 25968, frame 910 | Nupga Corporation | Monolithic 3D Inc. | Change of Name |
| Feb 1, 2013 Reel 29741, frame 884 | Or-bach, Zvi | Monolithic 3D Inc. | Assignment of Assignor's Interest |
| Dec 8, 2020 Reel 54576, frame 686 | Monolithic 3D Inc. | Samsung Electronics Co., Ltd. | Assignment of Assignor's Interest |
| Jan 11, 2022 Reel 58625, frame 664 | Samsung Electronics Co., Ltd. | Samsung Electronics Co., Ltd. | Assignment of Assignor's Interest |
| Jan 7, 2026 Reel 73397, frame 890 | Monolithlc 3D™ Inc. | Samsung Electronics Co. , Ltd. | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Apr 2029
Term ends Apr 14, 2029. No further fees fall due before then
Note
The 457 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,058,137, US 8,153,499, US 8,237,228.
Citations
33
later US patents cite this one
That is top 25% of utility patents granted in 2013 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.