EXPERT WITNESS ANTITRUST & COMPETITION TESTIMONY CONSULTANT FOR LAW FIRMS

An expert witness antitrust and competition testimony consultant gets hired for legal disputes where market power, pricing behavior, and competitive practices are in question. Testifying consulting pros—generally economists or industry specialists—provide analysis and testimony as the best expert witness antitrust and competition picks to help courts and regulatory bodies understand whether a company’s behavior harms competition or violates antitrust laws. Work spans a wide variety of case types. 

1. Price Fixing and Collusion
In cases where companies are accused of conspiring to set prices or limit supply, top expert witness antitrust and competition authorities analyze market data, communications between competitors, and industry conditions. Leaders’ job is to determine whether pricing behavior suggests coordinated action or can be explained by market forces. This is especially relevant in class actions or criminal cartel investigations.

2. Monopolization and Abuse of Market Power
When a company is alleged to have unfairly dominated a market—such as by excluding rivals, tying products, or engaging in predatory pricing—expert witness antitrust and competition providers review market share, barriers to entry, and consumer harm. Analysis determines whether the firm’s conduct crosses the line into illegal monopolization under laws like the Sherman Antitrust Act.

3. Mergers and Acquisitions
Regulatory agencies such as the Federal Trade Commission (FTC) or the Department of Justice (DOJ) rely on expert witness antitrust and competition consulting leaders during merger reviews. Experts predict how a proposed merger might impact competition, pricing, and consumer choice. SMEs use economic modeling and simulation tools to evaluate whether the merger will reduce market competition.

4. Exclusive Dealing and Vertical Restraints
The cases involve restrictions imposed by suppliers or manufacturers on how goods are distributed or sold. And so a expert witness antitrust and competition would consider whether such arrangements limit competition or provide pro-competitive benefits, such as efficiencies or better service.

5. Class Action Antitrust Lawsuits
In consumer or business class actions alleging antitrust violations, expert witness antitrust and competition pros are important to demonstrating common harm, estimating damages, and showing whether the alleged conduct affected all class members similarly.

KOLs provide input across a broad spectrum of legal disputes, helping courts evaluate economic behavior and determine whether competitive harm has occurred.