Panitch Schwarze Belisario & Nadel LLP
Patent reexamination counsel·8 ex parte reexams
Panitch Schwarze Belisario & Nadel LLP has served as patent-owner counsel in 8 USPTO ex parte reexaminations. The firm most often represents I/P Engine, Inc., Industrial Technology Research Institute, and DataQuill Limited. 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
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 (8)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/014,654 | Jan 15, 2021 | 6,058,304 | DATA ENTRY SYSTEM | DataQuill Limited | Closed |
| 90/013,410 | Nov 26, 2014 | 6,844,990 | METHOD FOR CAPTURING AND DISPLAYING A VARIABLE RESOLUTION DIGITAL PANORAMIC IMAGE | 6115187 CANADA, INC. | Closed |
| 90/020,057 | Aug 19, 2013 | 6,314,420 | COLLABORATIVE ADAPTIVE SEARCH ENGINE | I/P Engine, Inc. | Closed |
| 90/012,791 | Feb 8, 2013 | 6,775,664 | INFORMATION FILTER SYSTEM AND METHOD FOR INTEGRATED CONTENT-BASED AND COLLABORATIVE/ADAPTIVE FEEDBACK QUERIES | I/P Engine, Inc. | Closed |
| 90/012,722 | Nov 28, 2012 | 6,775,664 | INFORMATION FILTER SYSTEM AND METHOD FOR INTEGRATED CONTENT-BASED AND COLLABORATIVE/ADAPTIVE FEEDBACK QUERIES | I/P Engine, Inc. | Closed |
| 90/012,472 | Sep 6, 2012 | 5,721,599 | BLACK MATRIX FOR LIQUID CRYSTAL DISPLAY | Industrial Technology Research Institute | Closed |
| 90/012,465 | Sep 5, 2012 | 6,074,069 | BACKLIGHT SOURCE DEVICE WITH CIRCULAR ARC DIFFUSION UNITS | Industrial Technology Research Institute | Closed |
| 90/009,991 | May 24, 2012 | 6,314,420 | COLLABORATIVE/ADAPTIVE SEARCH ENGINE | I/P Engine, Inc. | Closed |
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- Fish & Richardson P.C.68 reexams · 7 pending
- Sterne, Kessler, Goldstein & Fox P.L.L.C.63 reexams · 8 pending
- Heim, Payne & Chorush, LLP36 reexams · 28 pending
- Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.34 reexams · 1 pending
- Banner & Witcoff, Ltd.34 reexams · 2 pending
See the full reexam picture for Panitch Schwarze Belisario & Nadel LLP
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.