Chris A. Dunn
Ex parte reexamination requester·3 ex parte reexams
Chris A. Dunn has requested 3 USPTO ex parte reexaminations, with 2 currently open. It most often challenges patents owned by Signify Holding BV and Philips Lighting Holding BV. 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 (3)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,307 | Jun 11, 2026 | 10,612,726 | Lighting System for Color Mixing | Signify Holding BV | Open |
| 90/016,309 | May 18, 2026 | 9,226,370 | LIGHTING CONTROL DEVICE | Philips Lighting Holding BV | Open |
| 90/016,256 | May 7, 2026 | 9,151,467 | SINGLE CHAMBER LIGHTING DEVICE | Signify Holding BV | Closed |
See the full reexam picture for Chris A. Dunn
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.