Monolithic 3D Inc.
Patent owner in reexamination·8 ex parte reexams
Monolithic 3D Inc.'s patents have been the subject of 8 USPTO ex parte reexaminations, with 8 currently open. Its patents are most often challenged by SK hynix Inc.. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.
Filings by year
Top requesters
Outcome track record
How reexams of this owner's patents resolve: claims confirmed, amended, mixed, or fully canceled.
- Certificate outcome split across every bucket
- Claim-survival rate
Defense metrics
Claim-survival rate, average pendency, and the open/closed split across every reexam of this owner's patents.
- Survival rate of closed proceedings
- Average pendency in months
Challengers & examiners
Which requesters most often challenge this owner's patents, and which examiners decide them.
- Top requesters
- Most frequent examiners
Recent reexaminations (8)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/016,612 | Sep 24, 2026 | 12,564,006 | 3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH MEMORY CELLS AND MULTIPLE METAL LAYERS | SK hynix Inc. | Open |
| 90/016,329 | May 21, 2026 | 11,862,503 | METHOD FOR PRODUCING A 3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH MEMORY CELLS AND MULTIPLE METAL LAYERS | SK hynix Inc. | Open |
| 90/016,328 | May 21, 2026 | 11,342,214 | METHODS FOR PRODUCING A 3D SEMICONDUCTOR MEMORY DEVICE AND STRUCTURE | SK hynix Inc. | Open |
| 90/016,320 | May 20, 2026 | 12,125,737 | 3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH METAL LAYERS AND MEMORY CELLS | SK hynix Inc. | Open |
| 90/016,322 | May 20, 2026 | 12,035,531 | 3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH LOGIC AND MEMORY | SK hynix Inc. | Open |
| 90/016,321 | May 20, 2026 | 12,243,765 | 3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH METAL LAYERS AND MEMORY CELLS | SK hynix Inc. | Open |
| 90/016,312 | May 19, 2026 | 11,476,181 | 3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH METAL LAYERS | SK hynix Inc. | Open |
| 90/016,311 | May 19, 2026 | 11,594,473 | 3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH METAL LAYERS AND A CONNECTIVE PATH | SK hynix Inc. | Open |
See the full reexam picture for Monolithic 3D Inc.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.