Lynn L. Bergeson
Managing Partner

T: 202-557-3801
F: 202-557-3836
M: 202-257-2872
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BA, Michigan State University, 1975, magna cum laude

JD, Columbus School of Law, Catholic University of America, 1979, Law Review


U.S. News and World Report -- Best Law Firms, First-Tier Ranking for Environmental Law (2012-2017)

2011 Inductee, American College of Environmental Lawyers

The Best Lawyers in America®, Washington DC’s Best Lawyers in Environmental Law (2009, 2013-2017)

Chambers USA: Environmental Law Band 1 (2005-2017)

Who’s Who Legal, Top Ten “Most Highly Regarded Individuals,” Environment Law (2009, 2013-2017)

Who’s Who Legal of Environment Lawyers (2004-2017)

Law360's Five Most Admired Environmental Attorneys (2010)

Martindale-Hubbell’s Top Women Lawyers in the Northeast for Environmental Law (2011)

Nanotechnology Law & Business’s List of Top Ten Experts in Environmental, Health, and Safety Issues Related to Engineered Nanomaterials (2009)

Super Lawyers (2008-2017)

Washingtonian's List of Top Lawyers (2009-2016)



Owner of Bergeson & Campbell, P.C. (B&C®), Lynn L. Bergeson has earned an international reputation for her deep and expansive understanding of the Toxic Substances Control Act (TSCA), the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), European Union Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), and especially how these regulatory programs pertain to nanotechnology, industrial biotechnology, synthetic biology, and other emerging transformative technologies. Her knowledge of and involvement in the policy process allows her to develop client-focused strategies whether advocating before Congress, the U.S. Environmental Protection Agency (EPA), the U.S. Food and Drug Administration (FDA), or other governance and standard-setting bodies.

Ms. Bergeson counsels corporations, trade associations, and business consortia on a wide range of issues pertaining to chemical hazard, exposure and risk assessment, risk communication, minimizing legal liability, and evolving regulatory and policy matters pertinent to conventional, biobased, and nanoscale chemicals, particularly with respect to TSCA, FIFRA, Food Quality Protection Act (FQPA), REACH and REACH-like programs, and Occupational Safety and Health Administration (OSHA) matters.

She served as chair of the American Bar Association Section of Environment, Energy, and Resources, and has served in many Section leadership positions. She has served on the Board of Directors of the Environmental Law Institute, the NanoBusiness Commercialization Association, and the Product Stewardship Society, among other business and law organizations, and lectures and writes frequently on legal, regulatory, and science policy issues. Ms. Bergeson is also President of The Acta Group (Acta®), B&C's scientific and regulatory consulting arm, which assists chemical and product manufacturers in marketing and sustaining their products globally, and President of B&C Consortia Management, L.L.C., which helps the chemical industry leverage resources and maximize impact by forming consortia to achieve shared research, testing, regulatory, and access goals.

According to the Chambers USA Guide: "The universally highly regarded Lynn Bergeson of Bergeson & Campbell, P.C. has developed an enviable reputation in chemical and pesticide regulatory work, with particular expertise in nanotechnology. 'She is probably the premier pesticide lawyer in DC,' notes one impressed commentator. Peers predict that she is set to become 'one of the most important lawyers in America.'"

Representative Engagements:

  • Assists a global manufacturer of industrial and consumer products register and maintain chemical product approvals in all jurisdictions in which its products are marketed.
  • Among the first U.S. law firms to assist several manufacturers of nanoscale chemical products obtain approval for their innovations under TSCA, and have devised and maintained product stewardship programs in multiple global jurisdictions to manage these nanoscale products effectively.
  • Among the first law firms judicially to challenge a Significant New Use Rule (SNUR) issued under TSCA Section 5 to eliminate or lessen commercial restrictions placed on the manufacture, processing, and distribution of a new chemical substance.
  • Assists several biobased chemical manufacturers address difficult TSCA nomenclature and chemical identity issues and devise and implement product stewardship protocols to manage these products with downstream stakeholders.
  • Assists clients prepare and obtain approvals for chemicals produced by intergeneric microorganisms.

Professional & Community Involvement:

Appointed by Maryland Governor Martin O’Malley to serve on the Washington College Board of Visitors and Governors, 2013-2016, and by Maryland Governor Larry Hogan, 2016 - 2022

Member, Product Stewardship Society Board of Directors, 2015 --

Member, Industrial Biotechnology Journal, Editorial Board, 2014 --

Chair, American Bar Association Section of Environment, Energy, and Resources Special Committee on TSCA Reform, 2009--

Vice Chair, American Bar Association Section of Environment, Energy, and Resources Committee on Pesticides, Chemical Regulation, and Right-to-Know, 2008—

Member, the American Bar Association Section of Environment, Energy, and Resources Governance Committee, 2013-2014

Member, the ISO Technical Committee 229 on Nanotechnologies Steering Committee Member, the Organization for Economic Cooperation and Development’s (OECD) Conference on Potential Environmental Benefits of Nanotechnology: Fostering Safe Innovation-Led Growth, Paris, France, 2009

Member, the American National Standards Institute (ANSI) Nanotechnology Standards Panel (NSP) Steering Committee, 2004-2005

Editor, American Bar Association Section of Environment, Energy, and Resources Pesticides, Chemical Regulation, and Right-To-Know Committee Newsletter

Chair of the Environment, Health, and Safety Committee of the NanoBusiness Commercialization Association

Member, Steering Committee of EPA's Pollution Prevention Through Nanotechnology Conference

The President’s Council of Advisors on Science and Technology Nanotechnology Technical Advisory Group (PCAST nTAG)

Professional Memberships:

American Bar Association (ABA) Section of Environment, Energy, and Resources

American College of Environmental Lawyers (ACOEL)

Bar Association of the District of Columbia

District of Columbia Bar

Women's Bar Association of the District of Columbia

Bar & Court Admissions:

U.S. Court of Appeals for the District of Columbia Circuit, 1982

U.S. District Court for the District of Columbia, 1983

District of Columbia, 1980



Lynn L. Bergeson, Charles M. Auer, Co-Editors, New TSCA: A Guide to the Lautenberg Chemical Safety Act and Its Implementation, American Bar Association Section of Environment, Energy, and Resources (2017).

Lynn L. Bergeson, Richard E. Engler, Ph.D., co-authors, “Pesticides, Chemical Regulation, and Right-To-Know 2016 Annual Report,” in The Year in Review 2016: Environment, Energy, and Resources Law, American Bar Association (2017).

Lynn L. Bergeson, et al., Global Chemical Control Handbook: A Guide to Chemical Management Programs, ABA, (2014).

Lynn L. Bergeson, contributing author, The RCRA Practice Manual, American Bar Association Section of Environment, Energy, and Resources (2013).

Lynn L. Bergeson, Editor, Nanotechnology: Environmental Law, Policy, and Business Considerations, American Bar Association (2010).

Lynn L. Bergeson, Nanotechnology Deskbook, Environmental Law Institute (2008).


Lynn L. Bergeson, "Resetting the TSCA Inventory: Why This Is Important," Environmental Quality Management, Volume 27, Issue 1, Fall 2017.

Lynn L. Bergeson, Richard E. Engler, Ph.D., and Lauren M. Graham, Ph.D., "TSCA Affects on Algae, Other Novel Biosources, and Bioprocesses," Industrial Biotechnology, Volume 13, Issue 5, October 2017.

Lynn L. Bergeson and Bethami Auerbach, “Innovation, Consumer Products, and Legal Risk: Points to Consider,” Paper presented at the 2017 Retail Law Conference, October 12, 2017.

Lynn L. Bergeson and Timothy D. Backstrom, "Appellate Court Vacates Conditional Nanosilver Registration," ABA Section of Environment, Energy, and Resources PCRRTK Newsletter, Volume 18, Issue 5, August 2017.

Lynn L. Bergeson, James V. Aidala, Jr., Charles M. Auer, Richard Engler, and Oscar Hernandez, "Practitioner Insights: Enhancing TSCA Reform Implementation," Bloomberg BNA Daily Environment Report, August 2, 2017.

Lynn L. Bergeson, Daniel B. González, Anabela Aldaz, and Christopher J. McNevin, "Mini-Roundtable: Environmental Disputes," Corporate Disputes, July-September, 2017.

Lynn L. Bergeson, "TSCA Implementation: What’s In Trump’s Playbook?," The ABA SEER Joint Newsletter: Energy, Climate Change, and Environmental Law under Trump, Volume 18, Issue 1, June 2017.

Lynn L. Bergeson, “TSCA Reform: Key Provisions and Implications,” Environmental Quality Management, Winter 2016.

Lynn L. Bergeson, Timothy D. Backstrom, and Bethami Auerbach, “Something Inside That Shoebox Really Stinks,” Focus, February 2017.

Lynn L. Bergeson, Charles M. Auer, and Carla Hutton, "Practitioner Insights: A Review and Analysis of TSCA Reform Provisions Pertinent to Manufacturers and Processors of Nanoscale Materials," BNA Daily Environment Report, January 26, 2017.

Lynn L. Bergeson, "Enlisting Modern Technologies to Ensure a Safe Food Supply," Natural Resources & Environment, Volume 31, Issue 3, Winter 2017.

Lynn L. Bergeson, "Next Generation Compliance and Its Implications for Industry," Environmental Quality Management, Volume 26, Issue 1, Fall 2016.

Charles M. Auer, Lynn L. Bergeson, “Role of ‘Conditions of Use’ Under Sections 5 and 6 of Amended Toxics Law,” BNA Daily Environment Report, October 14, 2016.

Charles M. Auer, Lynn L. Bergeson, “Is The Section 5 Review Period Fixed Or Flexible In New TSCA?,” ABA Section of Environment, Energy, and Resources PCRRTK Newsletter, September 2016.

Lynn L. Bergeson, Charles M. Auer, "An Analysis of TSCA Reform Provisions Pertinent to Industrial Biotechnology Stakeholders," Industrial Biotechnology, Volume 12, Issue 4, August 2016.

Kathleen M. Roberts, Richard E. Engler, Ph.D., Charles M. Auer, Lynn L. Bergeson, "An Analysis of Section 8 of the New Toxic Substances Control Act," BNA Daily Environment Report, August 9, 2016.

Lynn L. Bergeson, "In-House Counsel Beware: TSCA Reform Impacts Everyone," Law360, June 15, 2016.

Lynn L. Bergeson, "TSCA Reform: Is It Still in Our Future?," Industrial Biotechnology, April 5, 2016.

Lynn L. Bergeson, "The EPA Proposes Changes to RCRA Hazardous Waste Export and Import Regulations," Environmental Quality Management, Spring, 2016.

Speaking Engagements:

“A Peek Behind the Curtain: Retailers, New Technologies, and What You Need to Know,” 2017 Retail Law Conference, Chicago Illinois (October 12, 2017).

WEBINAR -- TSCA Hot Topics: Inventory Notification and Strategies for Complying, and Update on Section 5,” Bloomberg BNA (August 2, 2017).

“TSCA Implementation: Where Are We?,” TSCA Reform: One Year Later Conference, Washington D.C. (June 27, 2017).

WEBINAR -- Reviewing New Chemicals Under Amended TSCA: Impact on Innovation,” Bloomberg BNA (June 12, 2017).

WEBINAR -- ALICLE The New Toxic Substances Control Act: What All Environmental Lawyers Need to Know," American Law Institute (May 23, 2017).

"What All Environmental, Energy, and Resources Lawyers Need to Know about TSCA Reform and Why," ABA Section of Environment, Energy, and Resources’ 46th Spring Conference,  Los Angeles, California (March 30, 2017).

“Implementing the 2016 TSCA Amendments- Progress & Prognosis,” ABA SEER Brownbag Lunch Program: Implementing the 2016 TSCA Amendments - Progress & Prognosis, Washington D.C. (February 22, 2017).

“Toxic Substances Control Act and Chemical Regulation: Understanding the New Legislation,” Environmental Law Institute CLE Program 2017, Washington D.C. (February 9, 2017).

WEBINAR -- EPA's New RCRA Hazardous Waste Export-Import Rule: How Will it Impact Your Operations?,” Business and Legal Resources (January 4, 2017).

“The New TSCA: Overview and Summary of Major Changes,” TSCA Reformed: What do European companies need to know?, Berlin, Germany (December 7, 2016).

“Steps to Avoid Proposition 65 Claims,” 2016 ISEA Fall Meeting, Alexandria Virginia (November 30, 2016).

WEBINAR -- Current Opportunities and Challenges with Chemical Substance Regulation in Mexico and Central and South America,” The Acta Group (November 17, 2016).

“Governance of Nanotechnology,” 2016 Sustanainable Nanotechnology Organization (SNO) conference, Orlando, Florida (November 10, 2016).

“TSCA Reform, Next Generation Compliance, and Enforcement Initiatives in the US,” Chemical Watch Enforcement Summit Europe 2016, Brussels, Belgium (November 4, 2016).

“The Basics – What The New Law Does,” Chemical Watch US Regulatory Summit, Arlington, Virginia (October 27, 2016).

“Interpretation of the Key Sections of the Frank R. Lautenberg Chemical Safety for the 21st Century Act,” ChemCon The Americas 2016, Toronto, Canada (October 17, 2016).

WEBINAR - The New TSCA Webinar 4: Preemption, PBTs, Fees, and Judicial Review,” Chemical Watch (October 4, 2016).

WEBINAR - The New TSCA Webinar 3: Inventory, CDR, and CBI,” Chemical Watch (September 12, 2016).

“WEBINAR- The New TSCA: Impacts on New and Existing Chemicals Programs,” Chemical Watch (July 14, 2016).

“WEBINAR- New TSCA - - Overview and Summary of Major Changes: What to Expect and When to Expect It” American Chamber of Commerce to the EU (AmChamEU), (June 29, 2016).

“WEBINAR- ABA PCRRTK Presents TSCA Reform Legislation – Update and Primer” American Bar Association Section of Environment, Energy, and Resources, Pesticides, Chemical Regulation & Right-to-Know Committee, (June 28, 2016).

“The Nanotechnology Legal and Regulatory Landscape,” 15th Annual NanoBCA Conference, New York, New York (June 14, 2016).

“WEBINAR -- The New TSCA – Overview and Summary of Major Changes: What to Expect and When to Expect It,” Chemical Watch (June 13, 2016).

“Chemical Management - - What You Need to Know about TSCA, Compliance, and Business Risk,” Practicing Law Institute’s Environmental Regulation 2016, New York, New York (June 10, 2016)

“Modern Agriculture and Technology,” The International Bar Association 4th Mediterranean Conference, Rome, Italy (June 6, 2016).

“The Nanotechnology Legal and Regulatory Landscape,” International Nanotechnology Congress, Boston, Massachusetts (June 2, 2016).

“Nanomaterials… No Small Product Stewardship Matter,” Stewardship 2016, Baltimore, Maryland (May 24, 2016).

"TSCA Reform: What Does It Mean?," Grocery Manufacturers Association (GMA) Science Forum, Washington, D.C. (April 19, 2016).

"The New TSCA Regulatory Framework Post-TSCA Reform," Adhesive and Sealant Council Spring Convention, New Orleans, Louisiana (April 20, 2016).

"Regulatory Update on TSCA Reform," Thermoset Resin Formulators Association (TRFA) Annual Meeting, Tampa, Florida (March 8, 2016).

"TSCA's Impact on the Automotive Industry," SAE 2016 Government/Industry Meeting, Washington, D.C. (January 21, 2016).


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