Cactus Wellhead LLC
Ex parte reexamination requester·3 ex parte reexams
Cactus Wellhead LLC has requested 3 USPTO ex parte reexaminations, with 2 currently open. It most often challenges patents owned by Kirk P. Guidry and Cameron International Corporation. 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 |
|---|---|---|---|---|---|
| 90/015,433 | Aug 6, 2025 | 10,385,662 | WELL FRACTURING MANIFOLD APPARATUS | Cameron International Corporation | Closed |
| 90/015,357 | Jun 30, 2025 | 10,094,195 | FRACTURING FLUID DISTRIBUTION SYSTEMS AND METHODS | Kirk P. Guidry | Open |
| 90/019,819 | Jan 17, 2025 | 9,932,800 | FRACTURING MANIFOLD SYSTEMS AND METHODS | Kirk P. Guidry | Open |
See the full reexam picture for Cactus Wellhead LLC
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.