Nitto Technology Group Inc.

Patent owner in reexamination·1 ex parte reexams

Nitto Technology Group Inc.'s patents have been the subject of 1 USPTO ex parte reexamination. Its patents are most often challenged by Keller Holding GmbH. 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

1
20

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 (1)

Control #FiledPatentTitleRequesterStatus
90/014,472Mar 12, 202010,472,790JET GROUTING METHOD, GROUND IMPROVEMENT BODY, AND GROUND IMPROVEMENT STRUCTUREKeller Holding GmbHClosed

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