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Synopsys Investors Face Dec. 30 Deadline to Seek Lead Role in Securities Case

The lawsuit accuses the chip-design software maker of hiding how AI-focused customization hurt its Design IP economics.

Overview

  • Lead-plaintiff motions are due December 30, 2025, as multiple investor-rights firms, including Rosen, Faruqi & Faruqi, DJS Law Group, and ClaimsFiler/Kahn Swick & Foti, urge shareholders to come forward.
  • The case is pending in the U.S. District Court for the Northern District of California as Kim v. Synopsys, Inc., No. 25-cv-09410, and no class has been certified.
  • Plaintiffs allege Synopsys understated the impact of AI-customer customization on Design IP profitability and signaled that certain roadmap and resource choices would not deliver intended results.
  • The putative class covers purchasers of Synopsys securities from December 4, 2024 through September 9, 2025, inclusive.
  • The complaint ties the claims to September 9, 2025 results showing revenue of $1.740 billion, net income of $242.5 million (down 43% year over year), Design IP revenue of $426.6 million (down 7.7%), and a 35.8% stock drop the next day.