Contact Information


2200 Wells Fargo Center
90 S. Seventh Street

Minneapolis, Minnesota 55402

D: +1 612 766 7221
F: +1 612 766 1600


University of Buenos Aires
Visiting Scholar (1989)
Georgetown University Law Center
J.D., cum laude (1988)
Northwestern University
B.A. (1985)

Bar Admissions

District of Columbia Minnesota

Court Admissions

U.S. Court of Appeals for the Third Circuit U.S. Court of Appeals for the Fourth Circuit U.S. Court of Appeals for the Seventh Circuit U.S. Court of Appeals for the Eighth Circuit U.S. District Court for the Western District of Wisconsin U.S. District Court for the Western District of Michigan U.S. District Court for the Western District of Arkansas U.S. District Court for the Southern District of Illinois U.S. District Court for the Northern District of Illinois U.S. District Court for the Eastern District of Wisconsin U.S. District Court for the Eastern District of Arkansas U.S. District Court for the District of Minnesota U.S. District Court for the Central District of Illinois U.S. District Court for the Northern District of Florida


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John P. Mandler


John Mandler is an experienced trial lawyer. He co-leads Faegre Baker Daniels' national food and agriculture industry team and is a leader in Faegre Baker Daniels' nationally ranked product liability practice. John represents clients in various industries, including agribusiness, chemical and industrial manufacturing, and construction products.

John has tried to verdict numerous complex product liability, class action and toxic tort cases across the country. He is a Fellow of the American College of Trial Lawyers and serves as national litigation counsel for a number of Fortune 500 companies.

Significant Recent Matters

  • Currently serving as national counsel for a major window manufacturer in numerous consumer fraud and product liability class actions pending in multiple jurisdictions and in multi-district litigation (MDL).
  • Lead trial counsel for a national agricultural product manufacturer in a six-week trial in Arkansas state court defending claims by over 60 plaintiffs, resulting in a complete defense verdict.
  • Represented an national agricultural chemical manufacturer in a multi-plaintiff case in the U.S. District Court for the District of New Jersey resulting in the dismissal of the majority of plaintiffs' product liability claims and successful settlement of remaining claims.
  • Represented E.I. DuPont De Nemours in a four-month trial of claims by four bellwether plaintiffs (out of more than 400 plaintiffs) in the United States District Court for the District of Idaho.

Product Liability and Toxic Tort Litigation

John has tried and won numerous product liability and toxic claims, including:

  • Contamination of an oil product during transport.
  • Product-related personal injuries including alleged injuries from benzene and pesticide products.
  • Personal injury claims arising from industrial equipment.

Agribusiness Litigation and Regulatory Counseling

As the leader of Faegre Baker Daniels' agribusiness litigation practice and co-leader of the firm's food and agriculture industry group, John represents crop protection chemical and seed company clients in litigation, and advises them on a variety of federal and state law and regulatory issues including issues under the Federal Fungicide, Insecticide and Rodenticide Act (FIFRA) and the Federal Seed Act.

Pro Bono

  • LAC Housing Clinic
  • The Advocates for Human Rights — Board of Directors
  • Mid-Minnesota Legal-Aid Society — Board of Directors
  • White Earth Land Recovery Project


  • American College of Trial Lawyers — Fellow
  • Minnesota Super Lawyers — Class Action/Mass Torts 2015-16
  • Minnesota Advocate's Award for Services in Defense of Human Rights
  • Faegre Baker Daniels — Pro Bono Honor Roll, 2014-16; John C. Benson Pro Bono Award, 2007

Professional Associations

  • American Seed Trade Association
  • CropLife America


  • 2016 Food & Agriculture National Conference
    Host, Faegre Baker Daniels, Indianapolis, May 2016
  • Assessing the Changing Landscape of Genetically Engineered Crops and Foods
    Moderator, Food & Agriculture National Conference, Faegre Baker Daniels, May 2014
  • Legal Considerations Particular to Construction-Related MDLs
    Panelist, HarrisMartin's Construction Product Litigation Conference, Miami, Florida, October 2013
  • Genetically Engineered Plants in the World Market: Timing and Process for International Trait Approval and Commercial Release
    Food & Agriculture 2012 National Conference, Minneapolis
  • Litigation Update Regarding Biotech Crops: Contamination Liability and Challenges to the Regulatory Structure
    Food, Agriculture & Biofuels 2010 National Conference, Minneapolis

Published Articles

  • What Lies Ahead for GM Crops?
    Feedstuffs, June 2011
  • FIFRA Preemption in the Wake of Bates v. Dow
    ABA Natural Resources and Environment Journal, 2005
  • Blowing in the Wind: Will GMO Pollen Drift Create New Legal Hassles for Seed Companies?
    Seed World, June 2000
  • Potential Liability Exposure to Seed Companies From GMO Pollen Drift
    Agra/Industrial Biotechnology Legal Letter, May 2000


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