Click Fraud Expert Witness

Click fraud harms advertisers by generating illegitimate clicks that waste budget and distort performance data. In disputes involving wasted spend, competitor attacks, or suspicious traffic patterns, Bill Hartzer provides expert analysis of PPC logs, analytics, and account behavior.

What Is Click Fraud?

Click fraud typically involves repeated or automated clicks on pay-per-click (PPC) advertisements with no genuine interest in the advertised product or service. It may be driven by competitors, bots, click farms, or even dishonest publishers seeking to increase revenue.

Issues Commonly Seen in Litigation

• Abnormally high click volume with low engagement or conversions
• Suspicious IP ranges or geographic clusters of activity
• Patterns suggesting automated or scripted behavior
• Publisher or partner traffic that appears inflated or manufactured
• Disputes about responsibility for monitoring and prevention

Bill’s Role as a Click Fraud Expert

Bill reviews PPC account data, server logs, analytics, and platform reports to identify traffic patterns inconsistent with normal user behavior. He explains the indicators and limitations of click fraud analysis in plain language, and prepares written opinions and testimony to assist the court.