MELBOURNE, Australia — An Australian company’s long-shot bid to scrap a U.S. trademark on the word “Ugg” has suffered another blow after an American appeals court rejected its argument, in a loss that could have far-reaching consequences for Australian makers of the sheepskin boots.It’s the latest step in a five-year, high-stakes legal battle between the brand’s owner in the United States, Deckers Outdoor Corporation, and a company called Australian Leather. They have been wrangling over ownership of the name of a shoe that has been derided as unfashionable and downright ugly but that has still found …
