Warren Lehrenbaum
Overview
Warren Lehrenbaum represents individual companies and trade associations before the U.S. Environmental Protection Agency (EPA), the United States Department of Agriculture (USDA) and the Food and Drug Administration (FDA), where he advocates on behalf of individual products as well as broad policy issues.
Career & Education
- Binghamton University (State University of New York), B.A., 1985
- The George Washington University Law School, J.D., with honors, 1989
- District of Columbia
- Maryland
Other Affiliations
American Bar Association; Environmental Law Institute
- Farsi
Warren's Insights
Webinar | 05.14.26
Because of recent changes to Federal and State law regulations, companies that manufacture, import, sell, or distribute products or equipment with components that contain certain “PFAS” materials face imminent and overlapping compliance obligations. This webinar will provide actionable information companies can use to determine whether they are impacted by these State and Federal requirements as well as practical advice for complying with these obligations. Topics that will be covered include the following:
Client Alert | 4 min read | 01.14.26
Blog Post | 12.17.25
Speaking Engagement Spotlight: 2026 ICPHSO Annual Meeting and Training Symposium
Client Alert | 3 min read | 11.12.25
EPA Proposes Important Revisions to its PFAS Reporting Regulations
Insights
How TSCA Modernization May Harm Innovation, And What Companies Can Do In Response
|10.26.16
Bloomberg BNA Daily Environment Report
Environment — Air, Water, Chemicals, Wildlife, and Vapor Are Key Issues
|01.19.16
Crowell & Moring's Regulatory Forecast 2016
Regulatory Forecast 2016: What Corporate Counsel Need to Know for the Coming Year
|01.19.16
a Crowell & Moring LLP publication
Regulatory Forecast 2015: What Corporate Counsel Need to Know for the Coming Year
|01.31.15
a Crowell & Moring LLP publication
California Green-Lights Its Green Chemistry Regulations
|11.06.13
DRI, Vol. 16, Issue 3
Pesticides, Chemical Regulation, and Right-To-Know 2012 Annual Report: Toxic Substances Control Act (TSCA)
|04.01.13
ABA Environmental Law Annual Update
Frankenfood Fight: Why Mandatory Labeling of GMO Foods is Unnecessary and Unwise
|10.26.12
Pesticide & Chemical Policy Week in Review
Speaking Engagement Spotlight: 2026 ICPHSO Annual Meeting and Training Symposium
|12.17.25
Crowell & Moring’s Retail & Consumer Products Law Observer
Federal PFAS Reporting Delayed, but Aerospace and Car-Part Companies are not Off-the-Hook
|05.16.25
Crowell & Moring’s Transportation Law: Moving Forward
EPA’s Shift In Chemical and Hazardous Materials Regulation and What Retailers Can Expect
|10.27.21
Crowell & Moring’s Retail & Consumer Products Law Observer
Recent EPA Developments and Their Impact on Retailers
|03.25.20
Crowell & Moring's Consumer Products Law Observer
Use Foam? You may be subject to a new proposed EPA rule
|01.22.15
Crowell & Moring's Retail & Consumer Products Law Observer
Warren's Insights
Webinar | 05.14.26
Because of recent changes to Federal and State law regulations, companies that manufacture, import, sell, or distribute products or equipment with components that contain certain “PFAS” materials face imminent and overlapping compliance obligations. This webinar will provide actionable information companies can use to determine whether they are impacted by these State and Federal requirements as well as practical advice for complying with these obligations. Topics that will be covered include the following:
Client Alert | 4 min read | 01.14.26
Blog Post | 12.17.25
Speaking Engagement Spotlight: 2026 ICPHSO Annual Meeting and Training Symposium
Client Alert | 3 min read | 11.12.25
EPA Proposes Important Revisions to its PFAS Reporting Regulations



