Natalie E. Rainer

Natalie E. Rainer: Attorney with Keller and Heckman LLP
  • Associate at Keller and Heckman LLP
  • One Embarcadero Center, Suite 2110, San Francisco, CA 94111
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Natalie Rainer practices in the area of food and drug law. She advises clients on regulatory requirements for foods, dietary supplements, cosmetics, and food and drug packaging in jurisdictions around the world, including North America, Latin America, Europe, and Asia.

Ms. Rainer’s practice includes evaluating the regulatory status of food-contact materials, food additives, and color additives; advising companies on advertising and labeling requirements (including claim substantiation, nutrition labeling, organic labeling, and environmental/green claims); and counseling clients on good manufacturing practices. She also advises clients on compliance with state and local regulatory requirements, such as toxics in packaging, right-to-know acts, and California’s Proposition 65. She is fluent in Spanish.

During graduate school, Ms. Rainer worked at the U.S. Department of Justice, Civil Division as an intern in the Environmental Torts Section. In this position she participated in the defense of the federal government in multi-billion dollar environmental lawsuits and wrote a successful U.S. Court of Appeals brief defending the Attorney General in a contentious political asylum case. During her last year of law school, she participated in the Federal Legislation Clinic where she worked for the Epilepsy Foundation to reform the Americans with Disabilities Act.


•Feb 12, 2019 Natalie Rainer Will Present What You Need to Know About the New GMO Labeling Rules.
•Oct 10, 2018 Natalie Rainer to Present Update on California’s Proposition 65
•Sep 24, 2018 Nury Yoo and Natalie Rainer to Attend the Prop 65 Clearinghouse Annual Conference
•Mar 25, 2018 Natalie Rainer Presents Evaluating the Status of Printing Inks in Food
•Feb 06, 2018 Mitzi Ng Clark and Natalie Rainer to Speak at West Pack 2018
•Jan 30, 2018 Natalie Rainer to Present Food Safety Modernization Act: Sustainability Implications at the Sustainable Foods Summit
•Jan 30, 2018 Mitzi Ng Clark to Attend the Sustainable Foods Summit


•Jun 21, 2016 Webinar: Impact of FDA’s Final Nutrition Labeling Regulations
•Apr 27, 2016 Webinar: FSMA: A Foreign Suppliers Guide


•Feb 28, 2019 Safe Use Determinations under California’s Proposition 65: What You Need to Know
•Mar 06, 2018 Are You Ready for August 30th? Businesses Have Less than Six Months to Comply with New Prop 65 Clear and Reasonable Warnings Regulations
•Dec 07, 2017 Dramatic Increase in Proposition 65 Actions Against E-Vapor Products; New Warning Requirements Start August 30, 2018
•Jul 06, 2017 USDA Seeks Stakeholder Input to Support Forthcoming Proposed GM Labeling Rule
•Dec 09, 2016 California Finalizes Proposition 65 Rule Regarding Point-Of- Sale Warnings for Bisphenol A (BPA)
•Oct 05, 2016 California Attorney General Issues New Proposition 65 Enforcement Regulations
•Sep 27, 2016 FDA Publishes New GRAS Rule

Areas of Practice (6)

  • Advertising and Promotion
  • California's Proposition 65
  • Food & Drug
  • International Trade
  • Product Stewardship
  • Green Chemistry and Sustainability

Education & Credentials

Contact Information:
415.948.2821  Phone
415.948.2808  Fax
University Attended:
University of California, Berkeley, B.A., 2001; Johns Hopkins Bloomberg School of Public Health, M.P.H., 2007
Law School Attended:
Georgetown University, J.D., 2007
Year of First Admission:
2007, California; District of Columbia


•American Bar Association


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