Law Firms File Securities Class Actions Against Alphabet Over Gemini 3.5 Pro Delays

Multiple law firms have filed or reminded investors of pending securities class action lawsuits against Alphabet Inc. concerning alleged misrepresentations regarding its artificial intelligence pipeline. Law firms state lead plaintiff deadlines are set for November 30 or December 1, 2026. The lawsuits cover purchasers of Alphabet securities between May 19, 2026, and July 16, 2026. The complaints allege Alphabet concealed disappointing training results and significant launch delays for Gemini 3.5 Pro. These issues were disclosed on July 16, 2026, when media reported coding delays, sending Alphabet Class A shares down 4.4% to $354.46.