Zimmerman Law Offices, P.C.
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We get results, case after case.

For Consumers

Have you been injured by a product
or cheated by a business?

Thomas Zimmerman represents people and businesses in Illinois and throughout the nation in individual claims, business litigation and class action lawsuits for consumer fraud, billing fraud and unfair practices.

  • Defective products (drugs, vehicles, toys)
  • Fraud (billing, security)
  • Breach of warranty
  • Breach of privacy
  • Unfair or deceptive practices

For Professionals

Applying for a License / Defending
Against Disciplinary Action


Since 1996, attorney Thomas Zimmerman has represented professionals seeking licensure, facing disciplinary sanctions against their Illinois state license, and requiring legal representation in administrative law judge trials. Some of these fields include:

  • Beauty & Barber
  • Dental
  • Engineering
  • Insurance
  • Medical
  • Nursing
  • Pharmacy
  • Real Estate
  • Roofing
  • Security & Locksmiths

We've recovered millions for our clients

$62 MILLION Class Action for Defective Products $48 MILLION Class Action to Recover Cellular Phone Fees $35 MILLION Class Action for Defective Vehicles $31 MILLION Class Action for Inflated Newspaper Circulation

Other Areas
of Practice

Since 1996, the Zimmerman Law Offices, P.C., has represented individuals and businesses in a wide array of legal matters. Our law firm's founding attorney Thomas Zimmerman has an extensive background serving clients throughout Chicago with their civil litigation and professional license defense needs.

State Licensure Issues At the Zimmerman Law Offices, P.C., our lawyers help professionals with their state licensure issues. Learn More → Class Action Lawsuits The consumer protection firm of Zimmerman Law Offices, represents clients nationwide in a wide range of class action lawsuits. Learn More → Consumer Rights / Fraud State and federal laws protect consumers against abuse in the purchase of products and services. Learn More → Business Transactions We assist companies in forming under the appropriate business entity and providing ongoing legal counsel on a wide range of matters. Learn More → Defective Products Defective products run the gamut from household appliances to drugs, toys, vehicles, and much more. Learn More → Business Litigation Our attorneys provide knowledgeable advice and effective representation in resolving a wide range of commercial legal issues. Learn More → Federal Licensure Issues We represent clients throughout the country. Learn More →

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Areas of Practice

Client Testimonials

‘‘... a law office that actually cares about your situation...’’


Looking for an experienced attorney?

In 2000, attorney Thomas Zimmerman was recognized as one of the Top 40 Illinois Lawyers Under the Age of 40. He was also selected as a Super Lawyer in the area of class action and mass torts in 2017-2021.

Our Blog

Posted on January 6th, 2024 by Tom Zimmerman

Why You May Need a Professional Licensing Defense Attorney

Your professional license is a symbol of the hard work and dedication that you've put into your career. It represents your education, training, and ex [...]

Posted on January 6th, 2024 by Tom Zimmerman

What To Do If You’re Involved in a Car Accident in Illinois

Car accidents are a common occurrence in Chicago and throughout Illinois. Unfortunately, some car accidents can result in serious injuries or fataliti [...]

Posted on January 6th, 2024 by Tom Zimmerman

Why You Should Contact a Defective Product Lawyer in Chicago

According to Forbes, 11.7 m [...]

Posted on April 5th, 2023 by Tom Zimmerman

Pursuing a Medical Malpractice Lawsuit in Illinois


Filing a medical malpractice lawsuit in Illinois involves compliance with a stric [...]

Experienced Attorneys
Working for You

Mr. Zimmerman has built a solid reputation, including recognition as one of the “Top 40 Illinois Lawyers Under the Age of 40,” and selected as a Super Lawyer in the area of class action and mass torts.

The attorneys at Zimmerman Law Offices have extensive experience in state, federal and appellate courts nationwide.

As a seasoned trial attorney, Mr. Zimmerman vigorously protects the rights of his clients and holds responsible parties accountable. He has sued major corporations in individual and class action claims, including lawsuits against ADT and the Ford Motor Co.

When a dubious case is filed, we serve as defense counsel. We will scrutinize all evidence, and minimize any damages through negotiation or defense at trial.

A Strong and
Diverse Practice


    Tell Us About Your Case