Robert J. David, Jr.

Keith is a member of Butler Snow’s Constitutional and Civil Rights Litigation Group.

Trevor Wilson is a partner in the Tax Practice Group. His expansive tax practice includes federal income taxation, tax-exempt organizations, executive compensation, estate planning, and the administration of successions. A member of the firm’s federal and international, mergers and acquisitions and private equity, employee benefits, and trusts and estates teams, Trevor focuses his federal income tax practice on advising clients on structuring their US and international business activiti...

Drew Patty is a partner with Phelps Dunbar, LLP in the firm's Intellectual Property and Cybersecurity Groups. He also leads the firm's Artificial Intelligence Working Group. With 30 years of experience in a broad range of transactional intellectual property matters and related litigation, he also has a growing AI and data privacy practice. His chemical patent experience includes patent preparation and prosecution in the fields of oilfield proppants and other downhole chemicals, refinery catal...

Molly McDiarmid practices in the areas of litigation and labor and employment.

A. Paul LeBlanc, Jr. is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. A. Paul practices law in Baton Rouge, Louisiana Best Lawyers has recognized A. Paul LeBlanc, Jr. since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which A. Paul LeBlanc, Jr. is held by other lawyers.

Practicing law since 2012, Taylor Porter Partner Ryan French handles cases in a variety of areas, including commercial and complex litigation, corporate ownership fights, appellate practice, property right disputes, construction litigation, church property law, and white collar criminal defense. Ryan has been ranked by his peers for six consecutive years (2015-2020) among Louisiana Super Lawyers “Rising Stars” in Business Litigation, and also by Best Lawyers in America (2020-2021)...

When Fortune 500 companies and other businesses face product liability and other large, complex litigation, they turn to Randy Cangelosi for disciplined advocacy and practical litigation strategy across Louisiana, Texas, and jurisdictions nationwide. Based in Baton Rouge, Louisiana, Randy represents corporate defendants in high-exposure matters while maintaining a steady focus on risk management, efficiency, and sound judgment. Randy’s practice centers on Product Liability Litigation &n...

Mark Marionneaux is a litigation attorney in the Baton Rouge, Louisiana office of Kean Miller . His practice focuses on products liability, toxic tort defense, and complex litigation matters, including Litigation – Environmental and Mass Tort Litigation / Class Actions – Defendants . He represents chemical, fertilizer, and energy companies in a broad range of disputes involving alleged chemical exposure, toxic tort claims, products liability, insurance defense, workers’ comp...

Jay M. O'Brien is a member of the firm's Baton Rouge office. He practices in the areas of appellate, commercial, business and intellectual property litigation. Jay represents national companies in complex litigation involving contract disputes, unfair trade practices, land use, subdivision development and construction claims. He has litigated various constitutional issues related to standardized testing in public schools and low to moderate income housing developments. In the intellectual pro...

John Michael “Mike” Parker is a partner at Taylor Porter, practicing law since 1978. Mr. Parker’s practice areas include complex civil litigation, toxic torts class action, insurance, products liability, admiralty, and maritime law. During the past several years, Mr. Parker has acted as lead trial counsel in the defense of federal and state litigation involving environmental claims for remediation of soil and groundwater contamination and claims relating to occupational and ...