ZapFraud Inc. v. Trend Micro Incorporated

Filed2026-07-20
CourtW.D. Tex.
Docket7:26-cv-00275
Nature of suit830 Patent
Practice areaPatent
PlaintiffZapFraud Inc.
DefendantTrend Micro Incorporated
ComplaintDownload the complaint (PDF, free)

What the complaint alleges

ZapFraud, Inc. sued Trend Micro Incorporated in the U.S. District Court for the Western District of Texas, alleging infringement of two patents related to detecting business email compromise scams. The complaint claims Trend Micro's email-security and threat-detection products, such as Trend Micro Email Security and Trend Vision One, use patented methods for trust determination, risk analysis based on display-name or domain-name similarity, and automatic security actions like warnings or quarantines.

Claims asserted