About Us For more than 30 years, Marshall P. Whalley & Associates, PC has built a strong reputation litigating complex, high-value personal injury and wrongful death cases. In addition to our experienced trial lawyers serving Indiana, Illinois, and Michigan, Attorney Marshall Whalley is available to practice nationwide having handled claims in well over a dozen states. Our clients appreciate the knowledge and commitment we bring to their cases and our willingness to work closely with them, keeping them fully informed so they can make the right decisions.