Seoul Semiconductor Co., Ltd.
Ex parte reexamination requester·4 ex parte reexams
Seoul Semiconductor Co., Ltd. has requested 4 USPTO ex parte reexaminations, with 1 currently open. It most often challenges patents owned by LED Wafer Solutions LLC and Everlight Electronics 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 |
|---|---|---|---|---|---|
| 90/016,289 | May 15, 2026 | 7,554,126 | SEMICONDUCTOR LIGHT-EMITTING ELEMENT, MANUFACTURING METHOD AND MOUNTING METHOD OF THE SAME AND LIGHT-EMITTING DEVICE | Everlight Electronics Co., Ltd. | Open |
| 90/015,092 | Aug 15, 2022 | 8,941,137 | LIGHT EMITTING DIODE PACKAGE AND METHOD OF MANUFACTURE | LED Wafer Solutions LLC | Closed |
| 90/015,091 | Aug 15, 2022 | 9,502,612 | LIGHT EMITTING DIODE PACKAGE WITH ENHANCED HEAT CONDUCTION | LED Wafer Solutions LLC | Closed |
| 90/015,090 | Aug 11, 2022 | 8,952,405 | LIGHT EMITTING DIODE PACKAGE AND METHOD OF MANUFACTURE | LED Wafer Solutions LLC | Closed |
See the full reexam picture for Seoul Semiconductor Co., Ltd.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.