Department profile
Winston Taylor LLP

Antitrust

USA Guide 2026 : Illinois

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Winston Taylor LLP

Rankings

About

Provided by Winston Taylor LLP

About Winston's Antitrust practice:

  • Winston's practice is one of the few, if not the only, law firms in Illinois to offer industry-leading capabilities in all three key areas of antitrust law: (1) civil and criminal antitrust investigations and litigation; (2) merger reviews and challenges; and (3) counseling and compliance.
  • Winston is considered a “Litigation Powerhouse” by Crain’s Chicago Business and Law360. We are one of the few firms in Illinois capable of trying, and that has tried, antitrust cases to juries, judges, arbitration panels, and international tribunals.
  • Winston has deep experience across a broad and diverse range of industries, including financial services, heavy industry, manufacturing, consumer products, pharmaceuticals and medical devices, agriculture/bioengineering, technology, and health care.
  • Winston’s Chambers ranked Illinois IP litigation team routinely partners with the firm’s Illinois Antitrust team to handle antitrust and IP matters that are often resolved in the same litigation.

Our Antitrust/Competition practice has been recognized frequently including:

  • Recognized as “Law Firm of the Year” for Antitrust/Competition by Best Law Firms in 2023 and ranked “Tier 1” in Antitrust in Chicago, New York, and nationally in 2025.
  • Ranked “Tier 2” for Antitrust Law by Benchmark Litigation US in 2024.
  • Named 2024 “Competition Group of the Year” by Law360.
  • Named 2020 “Antitrust Firm of the Year” by Benchmark Litigation US.

Clients (9)

  • TreeHouse Foods
  • Panasonic Corporation
  • Discover Financial Services
  • Motorola Solutions
  • Rabobank Cooperative
  • National Pork Producers Council
  • Claxton Poultry Farms
  • Equifax Inc.
  • Chicago Parking Meters

Industries (23)

  • Automobiles & Parts
  • Banks
  • Charities / Not for Profit
  • Chemicals
  • Construction & Materials
  • Consumer Product Manufacturing
  • Energy
  • Financial Services
  • Food & Drink Producers
  • Forestry & Paper
  • Health Care
  • Industrial Engineering
  • Insurance
  • Media
  • Mining & Metals
  • Pharmaceuticals & Life Sciences
  • Retail
  • Software & Computer Services
  • Sports
  • Technology, Hardware & Electronics
  • Telecommunications
  • Utilities
  • Agriculture/Bioengineering

Chambers Review

Provided by Chambers

Antitrust - Illinois

Band 1

What the Team is Known For

Winston Taylor is regularly trusted with antitrust counseling in a civil and criminal context, drawing praise for its litigation and trial work. Also provides expertise in matters including merger reviews and challenges, and counseling and compliance. Works within a wide range of industries, including financial services, manufacturing and consumer products. Additionally noted for its expertise in healthcare-related antitrust disputes.

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Work Highlights

Provided by Chambers

  • Winston Taylor represented United Rentals in a series of antitrust class action lawsuits regarding an alleged conspiracy to raise prices for construction rental equipment.

Strengths

Provided by Chambers

  • The team are great litigators with good research skills and tools.

    Antitrust respondentUSA

  • They're fantastic, really practical and have a great ability to talk to the business.

    Antitrust respondentUSA

  • The firm has industry knowledge, expertise and an understanding of the process and the players on both sides.

    Antitrust respondentUSA

  • Winston has proven itself as a strategic business partner across unique industries.

    Antitrust respondentUSA

  • The firm has first-class practical skills in antitrust law practice.

    Antitrust respondentUSA

Notable Practitioners

Provided by Chambers

  • James Herbison
    James Herbison

    James Herbison

    James Herbison is an antitrust attorney noted for his abilities across both civil and criminal antitrust matters.

    • Jim is one of the top antitrust litigators in the US.

      Antitrust respondentUSA

    • Jim has a unique way of providing antitrust trainings and updates in a way that keeps the material interesting and engaging.

      Antitrust respondentUSA
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  • Michael Mayer
    Michael Mayer

    Michael Mayer

    Michael Mayer focuses on criminal defense as well as counseling and litigating antitrust matters. He has notable experience acting for clients in the food sector.

    • Michael does a really good job of simplifying the complex legal and procedural issues, and explaining that in a way that can be easily understood. He has a practical mindset about dealing with a lot of discovery issues that come up.

      Antitrust respondentUSA
    View profile

Ranked Individuals at Winston Taylor LLP (2)

Illinois

Members

Provided by Winston Taylor LLP

Winston Taylor LLP has rankings in the following guides

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