by Mars Inc..

In October 2025, The J.M. Smucker Company filed a lawsuit alleging that the shape of Trader Joe's line of sealed crustless sandwich infringed on the trademarks for Smucker's "Uncrustables". The company argued that the crimping along the edges of the sandwiches infringed on the trademarked shape of Uncrustables, while Trader Joe's argued that the crimping