On Holding AG Seeks Share of $170 Billion in Tariff Refunds After Supreme Court Ruling

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On Holding AG filed suit in the US Court of International Trade to recoup tariffs paid after the Supreme Court struck down global tariffs, seeking part of the $170 billion collected over 10 months. The ruling has spurred more than 2,000 tariff lawsuits as the Justice Department readies refund procedures Friday.

1. Lawsuit Filing

On Holding AG filed its complaint with the US Court of International Trade on February 27, 2026, seeking to recover import duties after the Supreme Court declared global tariffs unlawful. The company joins over 100 public firms in challenging the administration’s collection of billions in tariffs over the past year.

2. Financial Impact

The Supreme Court decision nullified tariffs that generated approximately $170 billion in revenue over 10 months, opening the door for importers to seek refunds. On Holding AG aims to reclaim its share of these duties, which could bolster cash flow and improve profit margins upon successful reimbursement.

3. Litigation Timeline

The Justice Department is scheduled to file its position on refund mechanisms Friday, establishing guidelines for processing claims. With over 2,000 lawsuits filed, the reimbursement process is expected to unfold over multiple years as the trade court addresses the growing caseload.

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