Atty. David Allan Greenfield
David Allan Greenfield is a lawyer practicing business, patent application, intellectual property litigation and 4 other areas of law. David received a B.S. degree from Cornell University in 1998, and has been licensed for 18 years.
Profile Summary
About David Allan Greenfield at a glance
David Allan Greenfield is an Associate based in Chicago, Illinois, practicing at Sidley Austin LLP. They have 18+ years of legal experience, licensed to practice since 2008. Their practice focuses on patent, business, ip, m&a, and trade secrets. Admitted to practice in Illinois (2008) and U.S. Court of Appeals for the Federal Circuit registered to practice before U.S. Patent and Trademar (2009). Educated at Northwestern University School of Law (J.D., 2008) and Cornell University (B.S. Cornell, 1998). Serands clients in Chicago, IL and the surrounding metropolitan area.
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About
- David Allan Greenfield is a lawyer practicing business, patent application, intellectual property litigation and 4 other areas of law
- David received a B.S. degree from Cornell University in 1998, and has been licensed for 18 years
- David practices at Sidley Austin LLP in Chicago, IL
Practice Areas Explained
David Allan Greenfield's Areas of Practice
Each practice area below reflects the types of cases David Allan Greenfield handles, with a brief overview of what that area of law covers.
David Allan Greenfield is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
David Allan Greenfield is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
David Allan Greenfield is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →
David Allan Greenfield is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Illinois →
David Allan Greenfield is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Illinois →
Jurisdictional Context
Why local counsel matters in Illinois
Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.
Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.
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