A&O Shearman

We are only able to display limited information for this firm. We display more complete information for all of the following firms:

A&O Shearman‘s New York-based environmental group combines deep expertise in ESG with knowledge of speciality areas, such as product responsibility, chemicals regulation, emissions trading, and contaminated land. This broad expertise is sought by a client roster comprising domestic corporations, private equity firms, and government agencies. As the global co-head of the environment, climate, and regulatory law group, Ken Rivlin’s expertise in regulatory and risk issues in transactions has positioned him as a key advisor to corporations, financial institutions, funds, and NGOs. Jason Pratt primarily focuses on the impact of environmental and climate change laws and regulations on commercial transactions. As co-head of the firm’s global producer responsibility and product compliance team, Felise Cooper is a notable name for clients for assistance on compliance requirements related to global substance disclosure, control, and product take-back requirements. Nick Ognibene departed from the practice in September 2025.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘A very strong combination of legal prowess and technical knowledge of environmental, social, and human rights issues.’

  • ‘Ken Rivlin - outstanding advice and understanding of the ESG environment. Candid and knowledgeable.’

Key clients

  • U.S. Department of Transportation (USDOT)
  • Sanmina Corporation

Work highlights

Advised Chevron on developing a compliance strategy for California’s Climate Corporate Data Accountability Act (SB 253), which requires large companies to report their greenhouse gas emissions, and the Climate-Related Financial Risk Act (SB 261), which mandates disclosure of climate-related financial risks.