Klintworth & Rozenblat IP LLP

Patent reexamination counsel·4 ex parte reexams

Klintworth & Rozenblat IP LLP has served as patent-owner counsel in 4 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents 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 represented

Magic Leap, Inc.4

Outcome track record

How this firm's reexams resolve once a certificate issues: all claims confirmed, amended, mixed, or canceled.

Certificate outcome split across every bucket
Share of proceedings where claims survived

Practice metrics

Certificate rate, average pendency, and the open/closed split across the firm's full reexam docket.

Certificate rate of closed proceedings
Average pendency in months

Examiners & adversaries

Which examiners most often decide this firm's reexams, and which requesters most often challenge its patents.

Most frequent examiners
Top opposing requesters

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
90/019,786	Dec 23, 2024	11,507,204	SELECTING VIRTUAL OBJECTS IN A THREE-DIMENSIONAL SPACE	Magic Leap, Inc.	Closed
90/019,648	Sep 6, 2024	10,163,011	ESTIMATING POSE IN 3D SPACE	Magic Leap, Inc.	Closed
90/019,575	Jul 8, 2024	11,029,805	REAL-TIME PREVIEW OF CONNECTABLE OBJECTS IN A PHYSICALLY-MODELED VIRTUAL SPACE	Magic Leap, Inc.	Closed

Other reexam law firms

See the full reexam picture for Klintworth & Rozenblat IP LLP

Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.