Better Briefs Win. At Cockle Legal Briefs, we’re industry leaders in the production of legal briefs. We’re here to manage the entire process of brief preparation – from consultation to filing. Our clients include several Am Law 100 firms, state Attorneys General, Supreme Court clinics at some of the nation’s premier law schools, national public interest organizations, and solo practitioners. We also maintain an excellent working relationship with the Clerk’s Office at the U.S. Supreme Court.