David W. O'Brien
Haynes & Boone LLP
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General

Experience2 yrs
Elite Ratings
PTAB
Practice Areas
Communications (3 cases)
Comp. Arch. and Software (1 case)
Semicond., Optic (1 case)
Software, Security (1 case)
Law Firms

Ratings

Experience
Grade
Trend
DCT
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PTAB
L5
A
CAFC
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Cases

Ratings Trends

Practice Areas