A federal appeals court has overturned Tiffany & Co’s $21 million judgment against Costco Wholesale over the retail chain’s sale of diamond engagement rings with the “Tiffany” name. Jones Day partners Meredith Wilkes and Jessica Bradley explain why the decision is illustrative of the treatment of evidence at the summary judgment stage, while also providing clarification on differences between trademark infringement and counterfeiting.

Read the full transcript on the Jones Day website.