Mealey's ( March 9, 2022, 4:01 PM EST) -- WILMINGTON, Del. — A Delaware tech company on March 1 filed a lawsuit in Delaware federal court accusing McDonalds Corp. of violating California’s unfair competition law (UCL) and other laws by fabricating false claims about safety hazards that allegedly blocked the tech company from marketing a device that improves the functioning of McDonalds’ soft-serve machines....