Synopsys Investors Face Dec. 30 Lead-Plaintiff Deadline in Securities Class Action

The lawsuit challenges statements about the Design IP business after a sharp post-earnings stock drop.

Overview

The case, Kim v. Synopsys, Inc., et al., No. 3:25-cv-09410, is pending in the U.S. District Court for the Northern District of California.
Investors who purchased Synopsys securities from December 4, 2024 through September 9, 2025 fall within the putative class period.
Plaintiffs allege Synopsys misled the market about the impact of AI customer demands that increased customization and eroded the economics of its Design IP segment, rendering certain roadmap and resource decisions ineffective.
On September 9, 2025, Synopsys reported its IP business underperformed, with Design IP revenue of $425.9 million (down 7.7% year over year) and net income of $242.5 million (down 43%), followed by a nearly 36% share-price drop to $387.78 on September 10.
Law firms including Bleichmar Fonti & Auld, The Schall Law Firm, and The Gross Law Firm are soliciting investors before the December 30, 2025 lead-plaintiff deadline, and the class has not been certified.