Samsung Display Co. Ltd.
Ex parte reexamination requester·4 ex parte reexams
Samsung Display Co. Ltd. has requested 4 USPTO ex parte reexaminations. It most often challenges patents owned by Pictiva Displays International Limited, Solas Oled Ltd., and Casio Computer Co. Ltd.. 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
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 (4)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/015,967 | Feb 17, 2026 | 8,314,547 | OPTO-ELECTRONIC COMPONENT | Pictiva Displays International Limited | Closed |
| 90/019,921 | Apr 21, 2025 | 8,314,547 | OPTO-ELECTRONIC COMPONENT | Pictiva Displays International Limited | Closed |
| 90/014,839 | Aug 25, 2021 | 7,663,615 | LIGHT EMISSION DRIVE CIRCUIT AND ITS DRIVE CONTROL METHOD AND DISPLAY UNIT AND ITS DISPLAY DRIVE METHOD | Solas Oled Ltd. | Closed |
| 90/014,831 | Aug 23, 2021 | 7,499,042 | DISPLAY DEVICE, DATA DRIVING CIRCUIT, AND DISPLAY PANEL DRIVING METHOD | Casio Computer Co. Ltd. | Closed |
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.