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Morrison & Foerster LLP

Work +1 415 268 7000
Fax +1 415 268 7522

Michèle Corash

Work +1 (415) 268-7124
Morrison & Foerster LLP

Work Department

Environmental Litigation.


Michèle Corash represents companies on a range of state, national, and international environmental issues and claims regarding exposure to toxic substances. She works regularly with government agencies and legislatures in the development and implementation of environmental laws and programs. While Ms. Corash is recognized as one of the country’s leading environmental lawyers, a significant component of her practice has been defending actions brought under state consumer and competition protection statutes. She is considered a leading expert on California’s Proposition 65 and Unfair Competition Laws, having successfully defended hundreds of cases under those statutes. Ms. Corash is nationally recognized as a leader in her field. She has received the highest rating (Band 1) from Chambers USA for every year the directory has ranked environmental lawyers, and has been consistently listed in Best Lawyers in America and Legal 500 US as a leading environmental lawyer. She was named as the country’s #1 environmental lawyer on the “Top Ten Lawyers for Environmental Law,” US Lawyer Rankings 2008. California Lawyer cited her as one of the “Best of the West” because of landmark wins in two Proposition 65 court decisions. She has been named to the Daily Journal’s “Top California Women Litigators” and as a “Go-To Environmental Defense Lawyer” by The Recorder.


Formerly: General Counsel, U.S. EPA; Deputy General Counsel, U.S. Dept. of Energy; and Assistant to Chairman, U.S. Federal Trade Commission.


American College of Environmental Lawyers (Past President).


B.A., Mount Holyoke College; JD, NYU School of Law.

United States: Dispute resolution

Product liability, mass tort and class action: toxic tort - defense

Within: Leading lawyers

Michèle Corash - Morrison & Foerster LLP

Within: Product liability, mass tort and class action: toxic tort - defense

Headed by San Diego-based Erin Bosman, the department at Morrison & Foerster LLP is particularly active in toxic tort and Proposition 65 litigation. In San Francisco, James Schurz continues to represent several coffee companies, including Starbucks and Nestlé, against claims alleging that under Proposition 65, due to the presence of the chemical acrylamide, manufacturers and retailers are required to provide cancer warnings on coffee. The team continued to defend the Dairy Industry Environmental Coalition against claims challenging the reuse of manure as a soil amendment. Other clients include Amazing Grass, Unilever and BASF. Michèle Corash in San Francisco is also recommended. In September 2017, Peter Hsiao joined King & Spalding.

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United States: Industry focus

Environment: litigation

Within: Leading lawyers

Michèle Corash - Morrison & Foerster LLP

Within: Environment: litigation

Morrison & Foerster LLP’s lawyers litigate cases involving natural resources and endangered species, land use, Proposition 65 and related class actions, and CERCLA/RCRA matters. The team is acting for the National Confectioners Association and Barry Callebaut in litigation defense, regulatory advocacy, and settlement negotiations, regarding allowable levels of trace contaminants in chocolate. Michèle Corashhas a keen legal mind’ and Michael Steel’s ‘deep understanding of the substantive law, attention to detail, and ability to coordinate comprehensive defense strategies based on complex facts set him apart’. Robert Falk, and William Tarantino are also highly regarded. All named individuals are in San Francisco, unless otherwise stated. Since publication, Peter Hsiao has joined King & Spalding LLP and Miles Imwalle has joined Coblentz Patch Duffy & Bass LLP.

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Environment: regulatory

Within: Environment: regulatory

Morrison & Foerster LLPprovides well-grounded legal advice’. The practice’s strengths include compliance and enforcement; due diligence; natural resources; consumer products law and regulation; and emerging issues, such as climate change, greenhouse gas emissions, and carbon trading. It acted for the County of Santa Clara before the Commission of State Mandates, concerning the State of California’s responsibility for funding storm water permitting requirements imposed on local governments. Michèle Corashtakes the time to explain her reasoning’; Michael Steel, Robert Falk, and William Tarantino are all highly rated. All named individuals are in San Francisco, unless otherwise stated. William O’Connor joined Cooley LLP. Peter Hsiao has joined King & Spalding and Miles Imwalle has joined Coblentz Patch Duffy & Bass LLP.

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