Jack G. Lonquist

Jack Lonquist is a Partner in Maron Marvel’s Chicago office, where he focuses his practice on general liability and transportation litigation, with a particular emphasis on trucking and commercial motor vehicle defense. He represents motor carriers, logistics companies, insurers, and self-insured entities in high-exposure personal injury and catastrophic loss matters.

Jack brings significant experience handling complex litigation involving traumatic injury and wrongful death claims, including matters with exposure exceeding $40 million. He routinely manages all phases of litigation, from pre-suit investigation through trial, developing strategic defense approaches that mitigate risk and position cases for efficient resolution. His trucking practice includes matters involving driver conduct, fleet operations, regulatory compliance, and accident-related liability, often in multi-party and high-stakes environments.

Jack’s experience includes handling a broad range of civil and commercial litigation matters, including product liability, construction negligence, professional liability, and general negligence claims. He has extensive experience in motion practice, depositions, mediations, arbitrations, and trial preparation, and has successfully argued dispositive motions in complex liability cases. Jack is also skilled in managing large caseloads independently, advising clients on exposure and litigation strategy, and coordinating expert discovery.

Clients value Jack’s responsiveness, strategic mindset, and ability to navigate high-exposure litigation efficiently. He is committed to delivering practical, results-oriented counsel that aligns with his clients’ operational and financial goals.

Admissions

Illinois
U.S. District Court for the Northern District of Illinois