


J. Patrick Chassaing
Principal
CHGO is all about helping people. And we like to win.
Practice Areas
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Professional Overview
Education
Community/Civic Involvement
Law Practice
Pat concentrates his practice in personal injury, workers compensation, business transactions, construction matters, employment matters, estate planning, local government law and real estate law, including class actions and appeals.
Experienced as an instrument-rated commercial pilot, Pat has provided special insight in aviation cases, including securing a multi-million-dollar wrongful death settlement based on a defective kit installed in a twin-engine aircraft, a $700,000 settlement for a passenger in a single-engine plane crash, and recovery of personal injury damages and total loss of a medical helicopter that crashed due to a circuitry failure. He has obtained a million-dollar-plus recovery for wrongful death caused by a motor carrier in interstate commerce and dangerous roadway conditions caused by a state transportation agency, and in a fatality caused by a dangerous railroad crossing. Pat has prosecuted and sustained on appeal a million-dollar-plus mechanic’s lien recovery.
Pat has lectured on the subject of insurance coverage for Missouri Continuing Legal Education purposes.
Prosecuting Attorney, City of Velda City, Missouri (2005-present)
Prosecuting Attorney, City of Hazelwood, Missouri (2001-2017)
Special Assistant Attorney General, State of Missouri (1989-1994)
Prosecuting Attorney, City of Brentwood, Missouri (1982-1999)
Bar Admissions
Missouri
Illinois
United States District Court, Eastern and Western Districts of Missouri, Southern District of Illinois
U.S. Court of Appeals, Eighth Circuit
U.S. Bankruptcy Court, Eastern District of Missouri
Professional Associations & Memberships
Missouri Bar
Bar Association of Metropolitan St. Louis
St. Louis County Bar Association
Professional Overview
Law Practice
Pat concentrates his practice in personal injury, workers compensation, business transactions, construction matters, employment matters, estate planning, local government law and real estate law, including class actions and appeals.
Experienced as an instrument-rated commercial pilot, Pat has provided special insight in aviation cases, including securing a multi-million-dollar wrongful death settlement based on a defective kit installed in a twin-engine aircraft, a $700,000 settlement for a passenger in a single-engine plane crash, and recovery of personal injury damages and total loss of a medical helicopter that crashed due to a circuitry failure. He has obtained a million-dollar-plus recovery for wrongful death caused by a motor carrier in interstate commerce and dangerous roadway conditions caused by a state transportation agency, and in a fatality caused by a dangerous railroad crossing. Pat has prosecuted and sustained on appeal a million-dollar-plus mechanic’s lien recovery.
Pat has lectured on the subject of insurance coverage for Missouri Continuing Legal Education purposes.
Prosecuting Attorney, City of Velda City, Missouri (2005-present)
Prosecuting Attorney, City of Hazelwood, Missouri (2001-2017)
Special Assistant Attorney General, State of Missouri (1989-1994)
Prosecuting Attorney, City of Brentwood, Missouri (1982-1999)
Bar Admissions
Missouri
Illinois
United States District Court, Eastern and Western Districts of Missouri, Southern District of Illinois
U.S. Court of Appeals, Eighth Circuit
U.S. Bankruptcy Court, Eastern District of Missouri
Professional Associations & Memberships
Missouri Bar
Bar Association of Metropolitan St. Louis
St. Louis County Bar Association
Education
Community/Civic Involvement
Recent News

CHGO Sponsors Two Charity Golf Tournaments
May 1, 2023

Curtis, Heinz, Garrett & O’Keefe Law Firm Announces New Partners and Associates
Jan 30, 2023

Cindy Ormsby Listed in 2022 Top 100 Missouri Lawyers
Dec 21, 2022

Robert E. Jones Reelected to Missouri Bar Board of Governors
Aug 17, 2022

City of Northwoods First Annual Juneteenth Celebration Event
Jun 27, 2022
Practice Areas
Recent News

CHGO Sponsors Two Charity Golf Tournaments
May 1, 2023

Curtis, Heinz, Garrett & O’Keefe Law Firm Announces New Partners and Associates
Jan 30, 2023

Cindy Ormsby Listed in 2022 Top 100 Missouri Lawyers
Dec 21, 2022

Robert E. Jones Reelected to Missouri Bar Board of Governors
Aug 17, 2022

City of Northwoods First Annual Juneteenth Celebration Event
Jun 27, 2022
Practice Areas
Recent News

CHGO Sponsors Two Charity Golf Tournaments
May 1, 2023

Curtis, Heinz, Garrett & O’Keefe Law Firm Announces New Partners and Associates
Jan 30, 2023

Cindy Ormsby Listed in 2022 Top 100 Missouri Lawyers
Dec 21, 2022

Robert E. Jones Reelected to Missouri Bar Board of Governors
Aug 17, 2022

City of Northwoods First Annual Juneteenth Celebration Event
Jun 27, 2022