DALLAS - The Texas attorney general is immune from a lawsuit by a dietary supplement company that claimed that the state's deceptive trade practices actions against it violated its constitutional rights, a Texas federal judge ruled July 21 (NiGen Biotech, LLC, et al. v. Greg Abbott, et al., No. 3:11-3341, N.D. Texas, Dallas Div.; 2014 U.S. Dist. LEXIS 98457).