Facebook Inc. still isn’t ready to abandon its quest to hold DLA Piper and other law firms liable for representing accused fraudster Paul Ceglia in his failed lawsuit asserting a multibillion-dollar ownership stake in the social networking giant.

In court papers filed Thursday, Facebook’s lawyers pressed to revive the company’s malicious prosecution and attorney deceit case against DLA Piper; Milberg; Buffalo, New York-based Lippes Matthias Wexler Friedman; and eight individual lawyers.