David A. Castleman

Andrew Blackwell is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Andrew, who practices law in St. Louis, Missouri, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

Andrew Ryan is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Andrew, who practices law in St. Louis, Missouri, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

Michael Quillin is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael, who practices law in St. Louis, Missouri, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

Richard D. McNelley is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Richard D., who practices law in St. Louis, Missouri, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard D. is held by other top lawyers in the same geographic and legal practice area.

Mr. Rolnicki practices Intellectual Property law in the firm's Business Services group. He is registered with the U.S. Patent and Trademark Office and is a former Patent Office Primary Examiner. He has extensive experience in preparing and prosecuting patent and trademark applications in the United States and in many foreign countries. Mr. Rolnicki's patent preparation and prosecution experience encompasses technologies including aircraft components, conveyor systems, footwear, gear transmiss...

Jeremiah W. Nixon is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Criminal Defense: White-Collar and Government Relations Practice. Jeremiah W., who practices law in St. Louis, Missouri, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeremiah W. is held by other top lawyers in the same geographic and legal practice area.

Jonathan Marks , Family Law Attorney in the St. Louis area, received his Juris Doctorate in 1997 from the University of Missouri – Columbia. Jonathan is admitted to practice in the State of Missouri, the State of Illinois, the United States District Court for the Eastern District of Missouri, the United States District Court for the Western District of Missouri, the United States District Court for the Southern District of Illinois, the United States District Court for the Central Distr...

Mark A. Prost is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Mark A., who practices law in St. Louis, Missouri, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark A. is held by other top lawyers in the same geographic and legal practice area.

Mr. Cohen concentrates his practice in the areas of commercial litigation, real estate, domestic relations, general business representation, and employment law. Mr. Cohen handles a variety of litigation matters in both federal and state court, as well as in administrative hearings and mediation and arbitration proceedings. He has tried numerous jury and non-jury cases. His litigation practice involves the ongoing representation of business clients, as well as individuals. Mr. Cohen’s li...

Richard D. Watters advises all types of health care clients from large hospital systems to individual physicians, nurses and other health care professionals on various matters including general health care laws and regulations, business operations, contracting, governance and corporate issues, licensing/regulatory compliance, the Stark Law, fraud and abuse, EMTALA, Certificates of Need, medical staff issues, practice and business acquisitions, joint ventures, Medicare and Medicaid conditions ...