Lady Gaga's new Mayhem merch is ripping off a logo that Lost International has had trademarked since 2015, a new lawsuit claims.

Lady Gaga was hit with a $100 million lawsuit by a California surf company over claims the pop star stole their logo for her new merchandise, according to documents obtained by FOX Business.

Lost International claims that the logo on Lady Gaga’s Mayhem merchandise is “substantially similar if not nearly identical to” its own trademark, which it says it's held since 2015.

It thinks Mother Monster's logo on merchandise for her new album and upcoming Mayhem is too similar. Mayhem in the hood. Lady Gaga's Mayhem hoodie (left) and one of surfboard company Lost ...

In the 1980s, the logo design was born after Biolos himself drew the image. "Lady Gaga's MAYHEM soared to No. 1 and shattered records, a testament to her unmatched talent and global impact," her ...

Lady Gaga was hit with a $100 million lawsuit by a California surf company over claims the pop star stole their logo for her new merchandise, according to documents obtained by FOX Business.

Lady Gaga has been hit with a trademark infringement lawsuit from a California surf company who claims she ripped them off with the Mayhem logos featured on her new merch. Lost International ...