Ranked in 1 Practice Areas

Associates to watch

Environment: Litigation

Illinois

1 Years Ranked

About

Provided by Hannah Posen

USA

Practice Areas

HANNAH POSEN focuses her practice on defending and advising clients on a wide range of environmental matters, including civil and criminal enforcement actions, regulatory compliance, civil litigation, and environmental aspects of transactions. Hannah is particularly focused on matters arising under the Clean Air Act and Clean Water Act and she has represented and advised various clients in state and federal enforcement proceedings involving alleged violations relating to air emissions and effluent discharges.

Hannah has extensive experience conducting internal investigations for manufacturing companies relating to Clean Air Act and Clean Water Act compliance issues. Hannah has also defended multiple automotive sector clients against Clean Air Act enforcement actions. Hannah’s litigation experience includes defending a company in a citizen suit and criminal investigation under the Clean Water Act for alleged effluent discharge violations and defending companies against environmental state-law claims.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Environment: Litigation - Illinois

Associates to watch
Individual Editorial

Hannah Posen has a growing profile in the contentious environment space. Her main areas of focus include regulatory compliance, particularly relating to the CAA, as well as criminal and civil enforcement actions.

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