Atty. David O'Connor
Dave O’Connor is an attorney, author and adjunct law professor with more than 30 years of experience in the courtroom. Currently, he is “of counsel” to the Cavanagh Law Group providing legal expertise and other essential background assistance on cases.
Profile Summary
About David O'Connor at a glance
David O'Connor is an Of Counsel based in Chicago, Illinois, practicing at Cavanagh Sorich Law Group. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on dui/dwi, medical malpractice, wrongful death, personal injury, and criminal defense. Admitted to practice in Illinois (1987). Educated at Chicago-Kent College of Law (J.D., 1987) and Arizona State University M.A. Winona State University (B.A., 1984). Serands clients in Chicago, IL and the surrounding metropolitan area.
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About
- Dave O’Connor is an attorney, author and adjunct law professor with more than 30 years of experience in the courtroom
- Currently, he is “of counsel” to the Cavanagh Law Group providing legal expertise and other essential background assistance on cases
- He also serves as the founder and principal attorney at O’Connor Law Offices, LLC, where he focuses on criminal and civil litigation
- His experience is an invaluable resource to Cavanagh Law Group, where he provides critical trial expertise in personal injury, medical malpractice, and wrongful death cases
- Recently, O’Connor assisted Cavanagh Law Group in the wrongful death “Code of Silence” case in which an off-duty detective drove drunk onto a freeway and struck a car with two men inside, killing both victims, and then attempted to escape
- During the trial, the Cavanagh Law Group team uncovered crucial new evidence that the City had withheld and obtained a landmark $20 million settlement, split evenly between the two victims’ families
- Prior to joining private practice, O’Connor was an award-winning prosecutor with the Cook County State’s Attorney’s Office who was recognized for his excellence in the legal field
- During his time there, he served as a supervisor in a number of positions, including Felony Trial Division Supervisor
- O’Connor is a published author and has also served as a legal expert, lecturer, and adjunct law professor at numerous institutions across the country
- O’Connor has taught for The National College of District Attorneys, the Illinois State Appellate Prosecutor’s Office, Cook County Sheriff’s Training Academy, N.E.M.R.T., Chicago Police Training Academy, DePaul Law School, Loyola Law School, and Moraine Valley Community College, among others
- He has given lectures and participated in symposia at more than 120 seminars throughout the United States and Puerto Rico on violent crime, trial advocacy, ethics and professionalism
- He received his National Institute of Trial Advocacy instructor certification at Harvard University, and also remains active in the mentoring of undergraduate, graduate, and law students
- He has a Master’s Degree, and is a graduate of IIT/Chicago-Kent College of Law, and is an active member of the Chicago Bar Association and Illinois State Bar Association
- O’Connor is married with three children and remains active in his community
- Professional Membership • Chicago Bar Association • Illinois State Bar Association • Illinois Trial Lawyers Association • Prosecutor’s Bar Association • Will County Bar Association • Southwest Bar Association
Practice Areas Explained
David O'Connor's Areas of Practice
Each practice area below reflects the types of cases David O'Connor handles, with a brief overview of what that area of law covers.
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David O'Connor is one of 29,976 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Illinois →
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Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.
David O'Connor is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Illinois →
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
David O'Connor is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense 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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