RADNOR, Pa.–(BUSINESS WIRE)– #classaction–Kessler Topaz Meltzer & Check, LLP (www.ktmc.com), a nationally recognized securities litigation law firm, informs investors that a securities fraud class action lawsuit has been filed against Duolingo, Inc. (Duolingo) (NASDAQ: DUOL) on behalf of those who purchased or acquired Duolingo Class A common stock between May 2, 2025 and February 26, 2026, inclusive. The lawsuit is filed in the United States District Court for the Western District of Pennsylvania and i