Precision Steel Systems LLC
Ex parte reexamination requester·4 ex parte reexams
Precision Steel Systems LLC has requested 4 USPTO ex parte reexaminations. It most often challenges patents owned by Chasse, Stephen Lawrence and Chasse Stephen Lawrence Lawarence. 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 |
|---|---|---|---|---|---|
| 90/015,190 | Jan 11, 2023 | 11,426,826 | FABRICATION LAYOUT DEVICE AND METHOD | Chasse Stephen Lawrence Lawarence | Closed |
| 90/014,845 | Aug 30, 2021 | 10,576,588 | FABRICATION LAYOUT DEVICE & METHOD | Chasse, Stephen Lawrence | Closed |
| 90/014,763 | Jun 2, 2021 | 10,576,588 | FABRICATION LAYOUT DEVICE & METHOD | Chasse, Stephen Lawrence | Closed |
| 90/014,684 | Feb 25, 2021 | 10,576,588 | FABRICATION LAYOUT DEVICE & METHOD | Chasse, Stephen Lawrence | Closed |
See the full reexam picture for Precision Steel Systems LLC
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.