Apple said that Samsung owed them additional money of up to $180 million because of patent infringement related to five Samsung phones that were sold after 2012.

Apple filed the request at a U.S. court and stated that Samsung needs to pay the amount as interest and supplemental damages. It is not clear which Samsung model handsets are involved in the filing.

Samsung already paid $548 million in December after a court ruled that the company is guilty of infringing Apple's patents. Initially, Samsung was demanded by Apple to pay $2.5 billion according to the lawsuit that was filed in 2011. The figure was trimmed down to less than $1 billion in 2012 until it finally reached the paid amount of more than $500 million when an appeals court questioned the legality of Apple's trademark claim on the iPhone's design back in May.

The latest filing of Apple against Samsung was first exposed by patent expert Florian Mueller who even posted the declaration made by Apple's damages expert Julie Davies in a blog post.

"I have prepared this declaration to calculate the supplemental damages and prejudgment interest that Samsung owes Apple in Case No. 11-CV-01846," wrote Davies. "I summarize these amounts in Exhibit 1. As shown there, supplemental damages are $178,659,870. Prejudgment interest on the supplemental damages is $1,192,490 through the date of the hearing on Apple's motion for supplemental damages (March 24, 2016)."

According to the appeal of Samsung, Apple received compensation for iPhone's design patents that is even higher than what the company deserves. The design patents in question involved the handset's front display, bezel and application icons. A further review on the case is then sought from the high court.

"Samsung is not going to fork that money over without a fight," said Mueller on his blog. "The amount seems high to me given that the products at issue in this case (the first litigation between the two companies) were already somewhat outdated by the time of the 2012 trial."

It seemed like the next trial will kick off in March next year if the Supreme Court decides to pick up the case. It would be interesting to know how the case could potentially influence future cases on how courts should handle claims on design patent infringement.

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