Thon Beck Vanni Callahan & O'Connor, A Professional Corporation - Pasadena, CA

Premier Catastrophic Injury and Medical Malpractice Advocacy in Pasadena

When negligence leads to severe trauma, you need an established legal powerhouse with the trial acumen, medical insights, and resources to take on corporate defendants. Since 1982, Thon Beck Vanni Callahan and O'Connor has stood as Pasadena's premier personal injury and plaintiffs' litigation firm. Our trial lawyers have earned a storied reputation across Southern California for handling complex, high-exposure claims. Whether you need to hire a personal injury lawyer in Pasadena to investigate a highway crash or seek immediate counsel following a catastrophic birth injury, our attorneys provide relentless representation designed to achieve maximum financial recovery.

Comprehensive Accident, Injury, and Malpractice Legal Services

Catastrophic injuries create immediate medical emergencies, extensive rehabilitation costs, and lifelong economic disruptions. Thon Beck Vanni Callahan and O'Connor delivers focused legal advocacy across a complete spectrum of serious injury matters, including:

• Motor Vehicle Collisions: Aggressively litigating severe car accidents, highway crashes, distracted driving incidents, and rideshare collisions on local Pasadena thoroughfares.
• Commercial Truck Accidents: Holding negligent trucking companies, freight brokers, and commercial carriers strictly accountable for federal safety violations, driver fatigue, and improper cargo loading.
• Motorcycle and Bicycle Injuries: Defending the legal rights of motorcyclists and cyclists struck by careless motorists, recovering damages for road rash, complex fractures, and spinal trauma.
• Pedestrian Accident Claims: Advocating for pedestrians injured in crosswalks, intersections, and commercial parking areas throughout the San Gabriel Valley.
• Medical Malpractice and Birth Injuries: Holding negligent physicians, surgeons, obstetricians, and hospitals responsible for misdiagnosis, surgical errors, medication mistakes, and catastrophic newborn birth injuries.
• Premises Liability and Construction Accidents: Representing individuals harmed by hazardous property conditions, inadequate security, scaffolding collapses, and industrial equipment failures.
• Wrongful Death Litigation: Guiding grieving families with compassion and fierce courtroom tenacity to recover financial support, funeral expenses, and loss of companionship after fatal accidents.

Storied Track Record and Elite Judicial Recognition

Our firm has achieved monumental verdicts and settlements, including a $30 million jury verdict in an impaired driving crash, a $23.2 million recovery in an industrial collapse, and an $8.1 million judgment against state entities. Managing partner Gregory R. Vanni received the Consumer Attorney of the Year Award from Consumer Attorneys of California and served as president of the Pasadena Bar Association. Partner Kevin K. Callahan, also a past Pasadena Bar Association president, has been repeatedly named to the Top 100 Southern California Super Lawyers. Backed by partners Daniel P. Powell and Michael P. O'Connor, our litigation team is consistently recognized among Tier 1 medical malpractice and personal injury law firms by Best Lawyers in America.

No-Fee Guarantee and Dedicated Client Advocacy

Navigating the aftermath of a catastrophic accident should never be complicated by financial barriers. Thon Beck Vanni Callahan and O'Connor operates strictly on a contingency-fee model, which means our clients pay zero out-of-pocket costs and no legal fees unless we successfully resolve their case through settlement or jury verdict. Our bilingual staff provides seamless legal support in English and Spanish, ensuring clear and transparent communication. If you or a loved one needs to consult an accident attorney or find a wrongful death lawyer in Pasadena, contact our office today to schedule a confidential, complimentary case evaluation.