The Federal Circuit’s plurality ruling in the closely watched patent case CLS Bank v. Alice Corp was so jumbled even law school students think it needs a rewrite.

Inspired by a patent law seminar, four UC-Hastings law students filed an amicus brief with the U.S. Supreme Court earlier this month, urging it to review the case and resolve questions about the patent eligibility of software that split a 10-member en banc panel of the U.S. Court of Appeals for the Federal Circuit.