Microsoft Corp.

Ex parte reexamination requester·1 ex parte reexams

Microsoft Corp. has requested 1 USPTO ex parte reexamination. It most often challenges patents owned by Daedalus Blue LLC. 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
22

Top patent owners challenged

Outcome track record

How this requester's challenges resolve: claims confirmed, amended, mixed, or fully canceled.

  • Certificate outcome split across every bucket
  • Share of challenges that canceled claims

Challenge metrics

Cancellation rate, average pendency, and the open/closed split across every reexam this requester has filed.

  • Outcome rate of closed challenges
  • Average pendency in months

Examiners & defense counsel

Which examiners decide this requester's challenges, and which firms defend the targeted patents.

  • Most frequent examiners
  • Top opposing counsel

Recent reexaminations (1)

Control #FiledPatentTitleOwnerStatus
90/015,100Aug 19, 20227,177,886Apparatus and Method For Coordinating Logical Data Replication With Highly Available Data ReplicationDaedalus Blue LLCClosed

See the full reexam picture for Microsoft Corp.

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