About Tom Patterson

Thomas E. Patterson prepares and tries lawsuits for businesses, professionals and entrepreneurs. His book on emergency business litigation: Handling the Business Emergency: Temporary Restraining Orders and Preliminary Injunctions was published by the American Bar Association in 2009.
Prior teachings include online legal education courses and lectures on attorney-client privilege and e-commerce. Prior writings include articles on non-pattern jury instructions and a law review case note on ex parte contacts in administrative proceedings. After serving as a Law Clerk for Justice William G. Clark of the Illinois Supreme Court from 1979-1981, he began his career at a large Chicago law firm. Now, dedicated to helping businesses, professionals and entrepreneurs properly handle business lawsuits while facilitating effective business practices, he offers clients personalized attention at a smaller firm in Chicago.
The Patterson Law Firm, LLC keeps practitioners and businesses current with its blog emergencybusinesslitigation.com.

Recently named by Martindale-Hubbell® as AV Preeminent Rated™ Lawyer, Patterson has also lectured on e-commerce, expert witnesses, and the attorney-client privilege. He was selected as a Super Lawyer in 2009 and 2010 by Super Lawyers Magazine. For more information, visit the website or email him at tpatterson@pattersonlawfirm.com

Practice Areas

  • B2B Fraud
  • Banking, Loan Agreements and Guaranty Contracts
  • Breach of Contract
  • Class Actions: Benefiting Businesses and Consumers
  • Commercial Real Estate Litigation
  • Construction Disputes
  • Corporate, Partnership and LLC Transactions
  • Defamation or Product Disparagement
  • Emergency Business Litigation
  • Employment, Commission, and Brokerage Claims
  • Insurance Coverage and Contractual Indemnity
  • Intellectual Property / Technology
  • Personal Injury
  • Professional Negligence
  • Sales of Goods
  • Shareholder Disputes, Partnership Disagreements and LLC Lawsuits
  • Trademark Infringement
  • Unfair Competition


  • Illinois
  • United States District Court of the Northern District of Illinois
  • United States Court of Appeals for the Seventh Circuit


  • American Bar Association
  • DuPage County Bar Association
  • Illinois State Bar Association