The Florida Supreme Court Wednesday heard oral arguments supporting and opposing 10-year disbarment for Miami attorney Jose Maria Herrera over allegations he helped file frivolous lawsuits and disciplinary proceedings against rival law firm Lewis Tein and its attorneys.

Herrera’s lawyer, Herman J. Russomanno III, argued the sanction was unprecedented and too severe, while Florida Bar counsel Jennifer R. Falcone claimed it was fitting for “extremely serious misconduct.”