ExamPat

Samsung Display Co. Ltd.

Patent owner in reexamination·7 ex parte reexams

Samsung Display Co. Ltd.'s patents have been the subject of 7 USPTO ex parte reexaminations, with 1 currently open. Its patents are most often challenged by Hoffman Warnick LLC and George E. Darby. 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

2
17
2
18
1
19
1
20
1
25

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 (7)

Control #FiledPatentTitleRequesterStatus
90/015,512Sep 12, 202511,230,521MONOAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME—Open
90/014,463Feb 25, 20209,896,621ORGANIC LIGHT-EMITTING DEVICE—Closed
90/014,407Nov 5, 20199,978,955Organic Light-Emitting DeviceGeorge E. DarbyClosed
90/014,238Nov 30, 20189,871,204MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAMEHoffman Warnick LLCClosed
90/014,236Nov 19, 20189,093,650ORGANIC LIGHT-EMITTING DEVICEHoffman Warnick LLCClosed
90/020,117Aug 8, 20179,136,480ORGANIC LIGHT-EMITTING DIODEHoffman Warnick LLCClosed
90/013,977Jun 29, 20179,601,698ORGANIC LIGHT-EMITTING DEVICESHoffman Warnick LLCClosed

Other patent owners

See the full reexam picture for Samsung Display Co. Ltd.

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