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 and EVANS, JOHN MICHAEL. 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 and EVANS, JOHN MICHAEL | 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.