Updated: 20 October 2026, 1:51 p.m. EDT (Toronto) U.S. food importer Gellert Global Group filed a lawsuit in New York on Tuesday, 20 October, seeking to block President Donald Trump’s 50 per cent tariffs on a range of Canadian goods and recover duties already paid. The case, brought in the U.S. Court of International Trade, challenges the administration’s use of Section 338 of the Tariff Act of 1930. The Liberty Justice Center, which represents Gellert , announced the filing on Tuesday. CNBC independently reported the lawsuit and its request for refunds with interest. The New Jersey-based company imports Canadian cheeses covered by the duties. Its lawyers argue that the administration exceeded the authority Congress provided and imposed tariffs on products unrelated to the Canadian trade practices cited to justify them. Those are claims in the lawsuit, not findings by the court. The legal group says one Canadian supplier buys milk from upstate New York farmers, makes it into brie in C...