Toxicology Practice
Forensic Toxicology Expert Witness
Okorie Okorocha is a toxicologist frequently retained for both trial testimony and as a consultant.
Some high-profile cases he has worked on include:
- Doe vs. Derrick Rose (former NBA MVP)
- Estate of George Floyd vs. City of Minneapolis
- Hawaii vs. Denise Dixie Villa
- Michigan vs. Chidester
He holds a bachelor’s degree in biology, a law degree, a Master of Science in pharmaceutical sciences and a second Master of Science degree in forensic toxicology.
Okorie has been held to be an expert in over 850 times in courts, including state, federal and military courts. These expert designations have been in 55 of the 58 California counties, 26 U.S. states and in Germany and Japan.
Okorie has also been held to be an expert in over 3,500 in administrative hearings.
Okorie has also been published in the area of intoxication evidence 7 times in scholarly journals.
Some of his practice areas include:
- Blood Testing in forensic labs and hospitals
- Forensic Toxicology/Science
- Breath Testing
- Hair Testing
- Pharmacology
- Field Sobriety Tests
- Saliva Testing
- SCRAM Devices
Law Practice
Criminal Defense Employment Law Personal Injury
As of 2025, Okorie Okorocha is the sole attorney among over 250,000 licensed to practice in the state of California, that is Nationally Board-Certified in both Civil and Criminal trial law.
He has first chaired over 100 jury trials in both civil and criminal courts and successfully acquitted or forced the dismissal of multiple homicide cases.
His fields of practice encompass employment law, criminal defense, and personal injury.
Mr. Okorocha has been held to be an “excellent” trial attorney in both State and Federal courts.
Okorie’s most impactful case is Rich McLellan, M.D. vs. County of Mendocino, California, where he represented the Plaintiff against the County of Mendocino, in a case that force the county to amend its law that violated the California constitution. The unconstitutional county ordinance allowed the killing of dogs and cats immediately upon being surrender at the animal shelter, without making the dogs and cats available for adoption or to rescue organizations.
The change in the law that Okorie forced, prohibited the unconstitutional killing of dogs and cats.
Okorie frequently asserts that he has take the most number lives off of death row, although his clients have 4 legs, but that is still very remarkable.
Okorie is also frequently retained to cross-examine toxicology and medical experts.
In one particular case that had no offer from the defense due to a hospital toxicology result, Okorie was retained to take the deposition of the M.D./Ph.D lab director, and the case settled one week later for over $10 million dollars.
