Hitachi, Ltd.
Patent owner in reexamination·1 ex parte reexams
Hitachi, Ltd.'s patents have been the subject of 1 USPTO ex parte reexamination. Its patents are most often challenged by Eric P. Mirabel. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.
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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 (1)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/020,007 | Jun 28, 2012 | 6,162,356 | CHIP FOR USE IN NUCLEIC ACID SEPARATION, STRUCTURAL ELEMENT AND PROCESS FOR FORMING THE STRUCTURAL ELEMENT | Eric P. Mirabel | Closed |
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