Plumsea Law Group LLC
Ex parte reexamination requester·4 ex parte reexams
Plumsea Law Group LLC has requested 4 USPTO ex parte reexaminations, with 4 currently open. It most often challenges patents owned by Magic Leap Inc., Citbank, N.A. Collateral Agent, and Magic Leap. Inc.. 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 |
|---|---|---|---|---|---|
| 90/015,871 | Jan 9, 2026 | 11,328,740 | VOICE ONSET DETECTION | Magic Leap Inc. | Open |
| 90/015,813 | Dec 22, 2025 | 11,956,620 | DUAL LISTENER POSITIONS FOR MIXED REALITY | Citbank, N.A. Collateral Agent | Open |
| 90/015,782 | Dec 15, 2025 | 11,863,965 | INTERAURAL TIME DIFFERENCE CROSSFADER FOR BINAURAL AUDIO RENDERING | Magic Leap. Inc. | Open |
| 90/015,671 | Nov 12, 2025 | 9,767,616 | RECOGNIZING OBJECTS IN A PASSABLE WORLD MODEL IN AN AUGMENTED OR VIRTUAL REALITY SYSTEM | Magic Leap Inc. | Open |
See the full reexam picture for Plumsea Law Group LLC
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.