Jessica Lynn Deyoe

Area of Emphasis

Jessica Deyoe is an associate in the firm’s Washington, D.C. office and a member of the Environmental Group. Her practice involves client counseling on compliance with federal and state environmental laws and regulations, resolving liabilities under federal and state remediation programs, and advising clients on significant environmental liability and compliance issues arising in various types of transactions.

Prior to joining the firm, Ms. Deyoe practiced law in Massachusetts, where she gained substantial experience in PFAS, asbestos, and environmental defense litigation. She also presented on a range of issues to insurers, including PFAS and climate change and their impacts. In her role as part of a National Counsel team for a large corporation, she gained experience in trial preparation, document review, and litigation management.

Background

Ms. Deyoe graduated from Ithaca College in 2015, earning a B.A. in Legal Studies with minors in Philosophy and Politics. While in undergraduate studies, she was awarded the Ithaca College Legal Studies Scholar Award for outstanding legal research and writing.

In 2018, Ms. Deyoe graduated cum laude from Penn State Law with a concentration in Environmental Law and was admitted to the Woolsack Society. Ms. Deyoe served as an Associate Editor of Penn State Law Review in her second year and served as the Executive Comments Editor during her third year. She also interned for the Center for Agricultural and Shale Law at Penn State and served as a research assistant for Professor Ross Pifer.

Memberships and Affiliations

Ms. Deyoe is admitted to practice in the District of Columbia, Massachusetts, Pennsylvania, and the U.S. District Court for the District of Massachusetts.

Ms. Deyoe was an integral member of the PFAS Litigation and Regulatory Team recognized by National Law Review as their first and only PFAS Thought Leaders in 2020.

Publications/Presentations

• Co-Author, “In Memoriam: The Modern Administrative State,” Law360, July 8, 2024.
• Co-Author, “U.S. Supreme Court Issues Three Decisions Charting New Path for Federal Administrative Law,” Babst Calland Firm Alert, July 1, 2024.
• Co-Author, “Draft NPDES General Permit for Discharges of Stormwater Associated with Construction Activities (PAG-02),” The Foundation Water Law Newsletter, Vol. 57, No. 2 (2024).
• Co-Author, “Governor’s Proposed PACER and PRESS Legislation Seek to Lower GHG Emissions,” The PIOGA Press, April 2024.
• Co-Author, “PADEP Releases Final Guidance Regarding Trenchless Technology,” The Foundation Water Law Newsletter, Vol. 57, No. 1 (2024).
• Co-Author, “PFAS and RCRA: EPA’s Latest Proposed Rules Significantly Expand Corrective Action Authority,” Babst Calland Environmental Alert, February 14, 2024.
• Co-Author, “Pennsylvania Senator Yaw Introduces Bill to Repeal RGGI,” Babst Calland Environmental Alert, February 13, 2024.
• Co-Author, “Shapiro Administration Appeals Commonwealth Court Invalidation of RGGI,” The PIOGA Press, December 2023.
• Co-Author, “Chapter 91 Spill Notification Requirements for Unauthorized Discharges,” The Foundation Water Law Newsletter, Vol. 56, No. 3 (2023).
• Co-Author, “Trick or Treat? EPA Tightens Reporting Requirements for PFAS and other Chemicals of Special Concern,” Babst Calland Environmental Alert, November 7, 2023.
• Co-Author, “Court Holds Pennsylvania’s RGGI Rule Unconstitutional,” Babst Calland Environmental Alert, November 2, 2023.
• Co-Author, “Court Holds Pennsylvania RGGI Rule Unconstitutional,” The PIOGA Press, November 2023.
• Co-Author, “Governor Shapiro and the Modernization of Commonwealth Permitting,” The Foundation Water Law Newsletter, Vol. 56, No. 2 (2023).
• Author, “EPA Announces National Enforcement and Compliance Initiatives for Fiscal Years 2024-2027,” The PIOGA Press, September 2023.
• Co-Author, “Whose PFAS Is it Anyway? Legal Defensibility of Nonstandard Environmental Analysis,” American Bar Association Journal, June 11, 2021.
• Author, “Wisconsin PFAS Sampling Requested,” National Law Review,  November 17, 2020.
• Author, “North Carolina PFAS Lawsuit Alleges Fraud,” National Law Review, October 19, 2020.
• Author, “PFAS Lawsuit In New Jersey Provides Sweeping Allegations,” National Law Review, September 16, 2020.
• Co-Author, “PFAS Regulation, Litigation May be Shaped by Media Claims,” Law360, March 5, 2020.