Fenner Investments, Ltd.

Patent owner in reexamination·1 ex parte reexams

Fenner Investments, Ltd.'s patents have been the subject of 1 USPTO ex parte reexamination. Its patents are most often challenged by Juniper Networks, 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

1
13

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
90/020,064Dec 17, 20135,842,224METHOD AND APPARATUS FOR SOURCE FILTERING DATA POCKETS BETWEEN NETWORKS OF DIFFERING MEDIAJuniper Networks, Inc.Closed

See the full reexam picture for Fenner Investments, Ltd.

Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.