Mitchell Silberberg & Knupp is a formidable player in copyright matters, primarily known for its representations of companies in the entertainment industry. Recent clients include the Motion Picture Association of America and MCA Records. "I've been on both sides with the firm and have a great deal of respect for it," said a competitor. The New York office in particular earned high marks, with one lawyer describing Howard Weller, Paul LiCalsi, Jane Stevens, and Christine Lepera as "terrific litigators". Los Angeles-based Russell Frackman, noted a peer, is a "great guy, great lawyer". Of Karin Pagnanelli in Los Angeles, another client said: "She's one of the best writers ever."