On Tuesday, a majority of named class plaintiffs filed a notice of appeal to challenge a ruling from the U.S. District Court for the Eastern District of New York granting preliminary approval to a proposed settlement of a long-standing antitrust class action filed by merchants against Visa, MasterCard and the largest banks.

The National Retail Federation and its National Council of Chain Restaurants division joined a coalition of manufacturers, shippers and transportation providers to file an amicus brief before the U.S. Court of Appeals opposing new federal trucking regulations on drivers’ hours-of-service, stating the regulations were arbitrary and capricious.

Tiffany & Co. on Monday appealed a federal ruling that largely absolved eBay Inc. of...

A court that specializes in patent appeals ruled for Best Buy and a range of...