Kenneth T. Lumb joined Corboy & Demetrio as a Chicago personal injury and medical malpractice lawyer in 1995 after a tour of duty in the United States Army. Lumb was named Partner in 2015 and Managing Partner in 2019. His practice includes aviation, mass torts, medical malpractice and general personal injury.
As a captain in the Army's Judge Advocate General's Corps (JAG Corps), Lumb served four years as the Medical Claims Judge Advocate at Walter Reed Army Medical Center in Washington, D.C. His duties at the Defense Department's largest medical facility included medical malpractice defense and hospital law. He has also served as a Special Assistant United States Attorney. In 2003, he was mobilized in support of operation "Enduring Freedom" and spent six months on active duty at Walter Reed for which he received a Meritorious Service Medal. Lumb is currently a retired major in the U.S. Army Reserve.
Lawdragon Honors
| Honor | Year | Practice |
|---|---|---|
| The 2026 Lawdragon 500 Leading Litigators in America | 2026 | Plaintiff Litigation, Mass Torts |
| The 2025 Lawdragon 500 Leading Lawyers in America | 2025 | Plaintiff Litigation, esp. Medical Malpractice |
| The 2025 Lawdragon 500 Global Plaintiff Lawyers | 2025 | Global Plaintiff, inc. Aviation |
| The 2025 Lawdragon 500 Leading Plaintiff Consumer Lawyers | 2025 | Personal Injury, Medical Malpractice, Aviation, Mass Tort, Product Liability |
| The 2025 Lawdragon 100 Managing Partners You Need to Know | 2025 | Managing Partner |
| The 2024 Lawdragon 500 Leading Lawyers in America | 2024 | Plaintiff Litigation, esp. Medical Malpractice |
| The 2024 Lawdragon 500 Leading Plaintiff Consumer Lawyers | 2024 | Personal Injury, Medical Malpractice, Aviation, Mass Tort, Product Liability |
| The 2023 Lawdragon 500 Leading Lawyers in America | 2023 | Plaintiff Litigation, esp. Medical Malpractice |
| The 2023 Lawdragon 500 Leading Plaintiff Consumer Lawyers | 2023 | Personal Injury, Medical Malpractice, Aviation, Mass Tort, Product Liability |
| The 2022 Lawdragon 500 Leading Lawyers in America | 2022 | Plaintiff Litigation, esp. Medical Malpractice |
| The 2022 Lawdragon 500 Leading Plaintiff Consumer Lawyers | 2022 | Personal Injury, Medical Malpractice, Aviation, Mass Tort, Product Liability |
| The 2021 Lawdragon 500 Leading Lawyers in America | 2021 | Plaintiff Litigation, esp. Medical Malpractice |
| The 2021 Lawdragon 500 Leading Plaintiff Consumer Lawyers | 2021 | Personal Injury, Medical Malpractice, Aviation, Mass Tort, Product Liability |
| The 2020 Lawdragon 500 Leading Lawyers in America | 2020 | Plaintiff Litigation, esp. Medical Malpractice |
| The 2020 Lawdragon 500 Leading Plaintiff Consumer Lawyers | 2020 | Personal Injury, Medical Malpractice, Aviation, Mass Tort, Product Liability |
| The 2019 Lawdragon 500 Leading Lawyers in America | 2019 | Plaintiff Litigation, esp. Medical Malpractice |
| Lawdragon 500 Leading Plaintiff Consumer Lawyers | 2019 | Personal Injury, Medical Malpractice, Aviation, Mass Tort, Product Liability |
Lumb has obtained numerous multi-million dollar verdicts and settlements on behalf of his clients. He obtained an $11 million verdict on behalf of a child who suffered brain damage at birth; a $10.5 million verdict for the estate of a woman who died after being improperly anesthetized for hip surgery; a $1.75 million verdict for the family of an infant who died as the result of medical negligence; and a $1.7 million verdict for the family of a man killed by a packaging machine at a Nabisco plant. He has also secured, along with partner, Philip Corboy, Jr., a record-setting settlement of $7 million for a woman who was injured when she was struck by a malfunctioning automatic door as she entered a Target store.
Lumb serves as co-host of the firm's video podcast, Masters of Trial Law.
In addition to his trial work, Lumb is an active member of many legal organizations, including the American Bar Association; the Chicago Bar Association; the American Association for Justice where he serves as Chair of the Federal Torts and Military Advocacy Section and serves on the Veterans and Military Service Members Committee; the Illinois State Bar Association, where he serves as Chair of the Standing Committee on Military Affairs; and the Illinois Trial Lawyers Association, where he serves on the Medical Negligence Committee.
Lumb has been selected to the elite Lawdragon 500 Leading Lawyers in America, as well as Lawdragon 500 Leading Plaintiff Consumer Lawyers since 2019.
In 2025, Ken was selected to the inaugural Lawdragon 100 Managing Partners You Need to Know. He was one of only four managing partners in Illinois selected for the honor and the only from an Illinois personal injury firm.
Lumb is the co-author, along with Thomas Demetrio, of the column "Med-Mal Matters" in Chicago Lawyer magazine. In addition, Lumb has authored other legal articles and book chapters. He also lectures on a variety of legal and military topics.
