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Civil Litigation & Legal Defense Services in California
Based in Corona with offices in Fresno and San Diego, Mc Mahon Law Firm represents individuals and organizations across California. Our practice areas include insurance defense, construction defect litigation, personal injury, premises liability, business law, tort, civil litigation, wrongful death, breach of contract, automobile liability defense, and bankruptcy. The firm combines substantial resources with a commitment to personalized client service. Our attorneys have extensive experience litigating cases throughout California, including over 30 years of practice by founding attorney Timothy McMahon. We utilize progressive strategies and technology to deliver high-quality legal work while emphasizing client communication.

Our team has successfully resolved multi-million-dollar cases and complex construction defect disputes. We prioritize early case assessment, clear client communication, and strategic litigation planning. The firm also specializes in alternative dispute resolution, including mediation and arbitration. Our attorneys have defended premises liability cases involving fire injuries, construction accidents, and slip-and-fall incidents. With a focus on efficiency and results, we serve clients ranging from individuals to major insurance companies and corporations.
Services
Insurance Defense Construction Defect Litigation Personal Injury Premises Liability Business Law Civil Litigation Wrongful Death Breach of Contract Automobile Liability Defense Bankruptcy
Highlights and features
  • We offer 30+ years of litigation experience in complex legal matters
  • Our team handles cases from simple disputes to multi-million-dollar litigation
  • We provide bilingual legal services (English/Spanish)
  • Our attorneys have successfully resolved hundreds of construction defect cases
  • We maintain offices in three major California regions for client accessibility
Services
Insurance Defense
We provide comprehensive insurance defense services for property damage, liability claims, and coverage disputes. Our attorneys represent major insurance providers in complex litigation matters across California. With extensive trial experience, we deliver strategic defense solutions while maintaining cost-effectiveness for our clients.
Construction Defect Litigation
Our firm specializes in construction defect cases involving design professionals, contractors, and property owners. We handle disputes ranging from simple mechanic's liens to complex multi-party litigation. Our attorneys have secured favorable summary judgments in major construction defect cases throughout California.
Personal Injury Defense
We defend premises liability and accident claims including slip-and-falls, construction site injuries, and automobile accidents. Our team has successfully obtained summary judgments in high-stakes personal injury cases. We provide strategic defense for property owners and businesses facing injury-related litigation.
Business Litigation
Our business litigation practice covers contract disputes, unfair competition claims, and commercial litigation. We represent corporations and institutions in complex business disputes, including multi-party litigation and appellate matters. Our attorneys have extensive experience in both trial and alternative dispute resolution.
Civil Litigation
We handle civil litigation matters from case inception through trial and appeal. Our practice includes defense of tort claims, wrongful death allegations, and general liability matters. The firm combines trial-ready preparation with strategic settlement approaches to achieve optimal client outcomes.
People
Timothy M. McMahon
Majority Shareholder
With over 30 years of experience, Timothy McMahon specializes in complex litigation including construction defects and personal injury defense. Former Deputy District Attorney with 68 jury trials, he graduated from UC Davis and Hastings College of Law. He represents major insurance companies in high-stakes litigation matters.
Robert J. Lynch
Shareholder
Robert Lynch handles civil litigation from contract disputes to premises liability cases. He graduated cum laude from UC Riverside and Georgetown Law Center. With trial experience in automobile accident and employment litigation cases, he serves on the Association of Southern California Defense Counsel.
Gregory Gordon
Attorney
Gregory Gordon focuses on construction defect litigation with 15+ years of experience. He defended hundreds of construction cases and handled complex Crawford motions. A Western State University law graduate, he served in Operation Iraqi Freedom and maintains active trial practice in Southern California courts.
Matthew Slater
Associate Attorney
Matthew Slater specializes in intellectual property litigation and commercial disputes. A USC Law graduate, he has experience in patent infringement cases and software licensing transactions. Fluent in multiple languages, he previously served as general counsel for a telecommunications company.
Questions
What areas of law does McMahon Lynch handle?
We specialize in insurance defense, construction defect litigation, personal injury defense, business litigation, and civil litigation matters across California.
Do you handle cases outside Southern California?
Yes, our attorneys represent clients throughout California, including Northern California cases from our Fresno office.
Can I get legal assistance in Spanish?
Yes, our firm provides legal services in both English and Spanish to accommodate diverse client needs.
What experience do your attorneys have?
Our team includes attorneys with 30+ years of litigation experience, former prosecutors, and specialists in construction defect cases with hundreds of resolved matters.