Dennis A. Costigan

Dennis A. Costigan

Environmental Law Product Liability Litigation - Plaintiffs
Recognized in Ones to Watch since 2021

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Reviews

4.8 / 5

6 Reviews

1,060 Profile Views

M

Mei Lin Zhang

Jan 05, 2026

Transformed Our Community's Fight Into Meaningful Change

Dennis helped our neighborhood group hold a chemical company accountable for soil contamination. His blend of environmental law expertise and political campaign experience created a powerful advocacy...