"Martin then bumped into another cold reality about the film business. His case was hardly unique, or even all that unusual. When pressed, claims like his were usually squashed by high-powered studio lawyers -- or quietly settled and sealed by both parties...
After reviewing Martin's case, Marder says, he was stunned by how blatant the theft appeared to be. Marder says his firm considers 200 to 300 potential cases of copyright infringement a year and accepts only one or two. "This case has everything," he says by phone from Los Angeles. "The two legal legs are access and similarity. Typically, the stronger the access, the less you need to prove similarity. But in Reed's case, both were ramped up to the top."
https://www.sfgate.com/entertainment/article/Screenwriter-claims-Broken-Flowers-was-his-2493649.php