Stack & O'Connor Chartered
Illinois
General
Analytics
Attorneys
Cases
Trends & Practice Areas
General
Cases
20
Challenger
55%
Patent Owner
45%
NPE
5%
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Practice Areas
Biotech
Semicond., Optic
Chemical
Top Attorneys
Paul F. Stack
Elizabeth L. Barbour
Mark W. Wallin
Elite Ratings
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Ratings
Experience
Grade
Trend
DCT
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PTAB
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CAFC
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Analytics
Lawyers
Cases
Ratings Trends
Practice Areas