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  1. Professionals

Christopher Essig

Partner

Chicago

+1 312-558-6229

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  • Overview
  • Experience
  • Credentials
  • Insights & News

Chris had decades of experience with significant nationwide products liability, mass tort and class action litigation. He has been recognized by Chambers USA, The Best Lawyers in America ®, Lawdragon, and The Legal 500 US for his performance. For Chambers USA’s rankings, clients described Chris as “outstanding.”

Currently, Chris is lead national counsel for a pharmaceutical manufacturer in almost 900 products liability lawsuits involving the manufacture of opioid medications in state and federal courts. He has also led negotiations with national plaintiffs’ counsel and states attorneys general regarding global resolution of those matters for his client. In addition, he represents a major chemical manufacturer in national environmental and products liability claims alleging property damage and personal injury. Chris also is trial counsel for a major global aerospace manufacturer in significant mass tort litigation consolidated in the Northern District of Illinois. In his career, Chris has been part of trial teams for major firm pharmaceutical and medical device clients such as Medtronic, Pfizer Inc., and Wyeth. 

Further, Chris has defended various clients in some of the largest consumer fraud class actions in the United States. For example, he has litigated claims in several cases nearing US$2B based on the allegation that his client’s products violated several state consumer protection statutes. 

Chris has notably invested significant time in pro bono matters, some of which have garnered media attention. For example, Chris successfully led Winston’s pro bono team and obtained asylum for an Iranian photojournalist who published several controversial and award-winning projects focusing on youth and female identity. 

Key Matters

  • Represents major manufacturer in litigation in state and federal courts regarding PFAS, which are also known as “forever chemicals.”
  • Represents global aerospace manufacturer in significant accident litigation pending in Northern District of Illinois.
Recent Experience
Winston Represents Hikma Pharmaceuticals USA in Opiate MDL and State Court Cases

  • Chambers USA—Ranked for Litigation: Product Liability in Illinois (2025)
  • Best Lawyers: Ones to Watch®in America—Recognized for Commercial Litigation (2023)
  • Lawdragon
    •  “500 Leading Litigators in America”—Recognized for Product Liability, IP, and Antitrust (2022–2025)
    • “500 Global Leaders in Crisis Management”—Recognized for Litigation, White Collar, Investigations, and Product Liability (2025)

The Legal 500 US

    • Recognized as a “Key Lawyer” in Dispute Resolution: Product Liability, Mass Tort and Class Action – Defense: Consumer Products (2021–2025)
    • Recognized as a “Key Lawyer” in Dispute Resolution: Product Liability, Mass Tort and Class Action – Defense: Toxic Tort (2022,2024)
    • Recognized as a “Key Lawyer” in Dispute Resolution: Product Liability, Mass Tort and Class Action – Defense: Pharmaceuticals and Medical Devices (2022–2024)
    • Recognized as a “Key Lawyer” in Healthcare: Life sciences (2021–2022) 

Chris is currently on Winston & Strawn’s Associate Evaluation Committee and is a sustaining member of the Product Liability Advisory Council.

Chris handles some of our toughest problems with thoughtful strategy.

Chambers USA client testimonial 

Capabilities

Product Liability & Mass Torts
Intellectual Property
Litigation/Trials
Patent Litigation
Antitrust/Competition
Financial Services
Health Care
Medical Devices
Insurance

Key Matters

  • Represents major manufacturer in litigation in state and federal courts regarding PFAS, which are also known as “forever chemicals.”
  • Represents global aerospace manufacturer in significant accident litigation pending in Northern District of Illinois.
Recent Experience
Winston Represents Hikma Pharmaceuticals USA in Opiate MDL and State Court Cases

Credentials

Education

Chris received a J.D., with honors, from The Ohio State University College of Law in 2000, where he was associate editor of The Ohio State Law Journal. He received a B.A. in Political Science from Miami University in 1996.

    Admissions
    • Illinois

    Related Insights & News

    • “Strategies for Addressing Plaintiff Evolving Tactics in MDLs: Public Nuisance and Beyond,” Winston & Strawn Product & Mass Torts Summit, Speaker, June 7, 2022
    • “Updates in Biosimilars Law and Litigation,” GCEIP - 3rd Annual International Conference, Speaker, Nov. 15, 2018
    • “Pharmaceutical Warnings: A Changing Landscape,” Law360, Co-author, Nov. 9, 2018
    • “Product Liability Preemption for Generic Drug Manufacturers—The Current Landscape,” Product Safety & Liability Reporter, Bloomberg BNA, Co-author, Oct. 30, 2017
    • “Examining Subjective Damages in the Class Action Context,” Law360, Co-author, June 29, 2017
    Recognitions
    Winston Partners Featured on the 2025 Lawdragon 500 Global Leaders in Crisis Management List

    June 18, 2025

    Recognitions

    Winston & Strawn Recognized in The Legal 500 U.S. 2025

    June 12, 2025

    Recognitions

    Winston & Strawn Recognized in Chambers USA 2025

    June 5, 2025

    Pro Bono In Action
    Winston Teams Up With Accenture to Secure Asylum for Venezuelan Freedom Fighter

    November 19, 2024

    Seminar/CLE
    Winston’s Product & Mass Torts Summit Series 2024

    October 23, 2024

    Recognitions
    Winston Attorneys Featured on the 2025 Lawdragon 500 Leading Litigators in America List

    September 6, 2024

    Blog
    Microplastics Are the Latest Trend in “Greenwashing” Litigation

    July 3, 2024

    Recognitions
    Winston & Strawn Recognized in The Legal 500 U.S. 2024

    June 12, 2024

    Pro Bono In Action
    Winston Helps Ugandan Escape Tortured Past and Start a New Life in the United States

    November 30, 2023

    Recognitions
    Winston & Strawn Partners Recognized in 2024 Lawdragon 500 Leading Litigators in America

    September 8, 2023

    Recognitions
    Winston & Strawn Recognized in The Legal 500 U.S. 2023

    June 7, 2023

    Recognitions
    Winston Wins 2022 Alice Paul Award for Dedication to Women’s Rights Through Pro Bono Support

    November 21, 2022

    View All Insights & News

    Capabilities

    Product Liability & Mass Torts
    Intellectual Property
    Litigation/Trials
    Patent Litigation
    Antitrust/Competition
    Financial Services
    Health Care
    Medical Devices
    Insurance
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