Synopsys Securities Class Action Advances as Law Firms Urge Investors to Seek Lead Role by Dec. 30

Overview

• Multiple investor firms, including Rosen, Kahn Swick & Foti, The Schall Law Firm, DJS Law Group, and Robbins LLP, are recruiting applicants to move for lead-plaintiff status by December 30, 2025.
• The case is pending in the Northern District of California as Kim v. Synopsys, Inc., et al., No. 25-cv-09410.
• The complaint alleges violations of Sections 10(b) and 20(a) of the Exchange Act and SEC Rule 10b-5 based on claims that Synopsys downplayed how AI-customer customization eroded Design IP economics.
• The alleged class period runs from December 4, 2024 through September 9, 2025, and the class has not been certified, leaving investors unrepresented unless they retain counsel.
• On September 9, 2025, Synopsys reported Q3 revenue of $1.740 billion versus prior guidance of $1.755–$1.785 billion, net income of $242.5 million (down 43% year over year), and Design IP revenue of $426.6 million (down 7.7%), guided to at least a 5% full-year Design IP decline, and the stock fell 35.8% to $387.78 on September 10.