Mr. Weissmuller, a partner with the firm’s Environmental & Land Development Group, focuses his practice on environmental litigation and compliance counseling. He practices in federal and state courts, and his matters involve a wide spectrum of environmental laws and regulations including Superfund, waste, air and water matters. He also specializes in defending citizen suit cases, particularly under California’s Proposition 65, the Federal Resource Conservation and Recovery Act and California’s unfair competition and false claims laws. In this capacity, he represents a wide range of clients, including energy, oil, chemical and aerospace concerns and industry trade groups.

Mr. Weissmuller also represents clients in transactions involving Brownfields and other contaminated properties, develops remediation strategies and counsels on environmental compliance issues including California’s Hazard Communication Standard and California’s unique Proposition 65 occupational, environmental and consumer product warning requirements.

Prior to entering private practice, Mr. Weissmuller served as a trial attorney in the Environmental Enforcement Section of the United States Justice Department in Washington, D.C., where he was responsible for cases involving federal environmental statutes. He also served in the Justice Department’s Office of Intelligence Policy and Review.