Jeffrey Marquart - Rancho Santa Margarita Medical Malpractice Lawyer Reviews & Ratings
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About Jeffrey Marquart
The Marquart Law Group was founded on the principle that clients should have direct, regular contact with their lawyers in the very personal process of seeking compensation for injuries. Jeff Marquart practices from our office in Rancho Santa Margarita and lives in South Orange County near the clientele we serve.. Born in Chicago, Illinois, Jeffrey R. Marquart attended the Illinois Institute of Technology where he was on the Dean's List and graduated in 1984 with a Bachelor of Science in Mechanical Engineering. Thereafter, he attended the University of Notre Dame Law School where he was the recipient of the American Jurisprudence Award in Commercial Transactions and received his Juris Doctorate in 1987. Following his admission to the Illinois and Federal Bars in 1987, he practiced with a prominent Intellectual Property firm in Chicago, with an emphasis on Patent, Trademark and related litigation. In 1989, he was admitted to the California Bar and joined another prominent Los Angeles firm where he specialized in Patent Litigation.. In 1991, he left the intellectual property arena to join a civil litigation firm specializing in products liability and personal injury. In 1997, he founded the Tustin based firm of Smith and Marquart. In 2006, he formed the Marquart Law Group to establish a highly technical and innovative boutique firm specializing in the representation of those who have been injured by the wrongful conduct of individuals and business entities. Mr. Marquart’s experience includes the prosecution of highly complex products liability cases involving industrial machinery, automobile steering systems, stability and crashworthiness, tire design, residential appliances, playground equipment and children’s toys, furniture and restraint systems. He has prosecuted a multitude of cases involving significant automobile, cycling and trucking accidents.. He resides in Coto de Caza California with his wife Lisa, and their three daughters, Katherine, Caroline and Courtney. He actively participates in golf, mountain biking and ice hockey. He is an automobile enthusiast and collector. Above all, he is a staunch supported of his alma mater, the University of Notre Dame.. Areas of Practice:. Wrongful Death. Personal Injury -- Plaintiff. Elder Law. Litigation & Appeals. Motor Vehicle Accidents -- Plaintiff. Products Liability Law. Toxic Torts. Business Formation. Commercial Disputes. Bar Admissions:. U.S. District Court Central District of California, 1989. California, 1989. Illinois, 1987. U.S. District Court Northern District of Illinois, 1987. U.S. Court of Appeals Federal Circuit, 1988. Education:. Notre Dame Law School, Notre Dame, Indiana, 1987. J.D.. Honors: American Jurisprudence Award - Commercial Transactions. Illinois Institute of Technology, Chicago, IL, 1984. B.S.. Honors: Dean List. Major: Mechanical Engineering. Born in Chicago Heights, Illinois, Jeffrey R. Marquart attended the Illinois Institute of Technology where he was on the Dean's List and graduated in 1984 with a Bachelor of Science in Mechanical Engineering. Thereafter, he attended the University of Notre Dame Law School where he was the recipient of the American Jurisprudence Award in Commercial Transactions and received his Juris Doctorate in 1987. Following his admission to the Illinois and Federal Bars in 1987, he practiced with a prominent Intellectual Property firm in Chicago, with an emphasis on Patent, Trademark and related litigation. In 1989, he was admitted to the California Bar and joined another prominent Los Angeles firm where he specialized in Patent Litigation.In 1991, he left the intellectual property arena to join a civil litigation firm specializing in products liability and personal injury. In 1997, he founded the Tustin based firm of Smith and Marquart. In 2006, he formed the Marquart Law Group to establish a highly technical and innovative boutique firm specializing in the representation of those who have been injured by the wrongful conduct of individuals and business entities. Mr. Marquart’s experience includes the prosecution of highly complex products liability cases involving industrial machinery, automobile steering systems, stability and crashworthiness, tire design, residential appliances, playground equipment and children’s toys, furniture and restraint systems. He has prosecuted a multitude of cases involving significant automobile, cycling and trucking accidents.He resides in Coto de Caza California with his wife Lisa, and their three daughters, Katherine, Caroline and Courtney. He actively participates in golf, mountain biking and ice hockey. He is an automobile enthusiast and collector. Above all, he is a staunch supported of his alma mater, the University of Notre Dame.. Areas of Practice:. Wrongful DeathPersonal Injury -- PlaintiffElder LawLitigation & AppealsMotor Vehicle Accidents -- PlaintiffProducts Liability LawToxic TortsBusiness FormationCommercial Disputes. Bar Admissions:. U.S. District Court Central District of California, 1989California, 1989Illinois, 1987U.S. District Court Northern District of Illinois, 1987U.S. Court of Appeals Federal Circuit, 1988. Education:. Notre Dame Law School, Notre Dame, Indiana, 1987J.D.Honors: American Jurisprudence Award - Commercial TransactionsIllinois Institute of Technology, Chicago, IL, 1984B.S.Honors: Dean ListMajor: Mechanical Engineering
Questions Jeffrey Marquart Could Answer
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personal injury attorney — CaliforniaI’m in Los Angeles County, California, and I’m hoping someone can point me in the right direction because I keep getting bounced between personal injury and workers’ compensation attorneys. On October 6, 2025, I was training one of my clients inside a gym where I work as an independent personal…
Total Reviews 11
“Clients, listens, is trustworthy, dedicated, ambitious, and very responsive. Thank you for all”Read on Avvo
“I endorse this lawyer. I recently litigated against Mr. Marquart and he did an effective job for his client, but was a pleasure to deal with professionally. More lawyers should live up to his standard!”
“The Marquart Law Group is amazing! Jeff and his professional staff are timely, responsive, and have an impressive focus on detail!”— Steve Muzzy (5/5)
“Marquart Law Group is the best in the industry. Jeff helped me out big time. He worked quickly and efficiently. I felt at ease during the entire process. Highly recommended.”— Andrew Grigone (5/5)
“A very professional, competent and trustworthy law firm. Jeff Marquart is delightful and easy to work with- he and his team are very responsive, client focused and work hard to get the best results for their clients. I needed his services 20 years ago and have recently referred him to my sister to handle her affairs.”— Lamia Nahoul (5/5)
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- Free or Complimentary consultation may be available for a few hours.
- Rancho Santa Margarita Lawyers Fees is generally in the range of $257-$434 per hour.
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