The ongoing lawsuit between Samsung and Apple visited the U.S. Supreme Court this morning. The design infringement battle between the two tech giants is the first patent lawsuit to go before the supreme court in more than a century.

In 2012, a jury ruled Samsung’s smartphone design infringed on three of Apple’s iPhone design patents, including rectangular shape, rounded corners and circular icons. This verdict led to an order for Samsung to pay $548 million.

Today, Samsung’s representation went before supreme court justices to recoup $399 million of the initial $548 million. Samsung’s primary argument is the devices only infringed on appearance, not function, therefore the company should not forfeit all profits from the devices.

USA Today reports the justices are likely to rule in favor of Samsung. The ruling will likely serve as a benchmark for future cases dealing with tech design infringement.