Mr. Rios has been involved in federal litigation and local governmental issues for more than twenty (25) years. He is the former General Counsel for the Southwest Voters Registration and Education Project (SWVEP). He has provided legal services to more than 250 jurisdictions in the Southwestern United States including challenging over 200 at–large election systems. (List is available)
Latest case includes the Congressional Redistricting Case Perez v. State of Texas, SA – 11-CV-360-OLG_JES_XR (2018) presently being argued before the US Supreme Court. Reported cases in which he was lead counsel include LULAC v. Perry, 126 S. Ct. 2594 (2006) successfully argued before the United States Supreme Court.
Other reported cases in which Mr. Rios was lead counsel include: League of United Latin American Citizens (LULAC) v. Midland Independent School District, 648 F. Supp. 596 (W.D. Tex. 1986); Campos v. City of Baytown, 840 F. 2d 1240 (5th. Cir.1988); LULAC v. Clements, 999 F.2d 831 (5th Cir.1993);Houston Lawyers’ Association v. Attorney General of Texas, 115 L. Ed. 2d 379 (1991). Because of his experience in redistricting, constitutional issues and governmental entities, he was called to testify before Congress (House and Senate) on the extension of the Federal Voting Rights Act and he has provided testimony on governmental issues in both houses of the Texas Legislature.
Adjunct Professor, University of Texas at San Antonio (UTSA), Senior Seminar on Jurisprudence
Past clients include:
City of San Antonio
Dallas Independent School District
Houston Independent School District
Houston Community College District
Community College District
South Texas Community College District
San Antonio Independent School District
San Antonio Water Systems
County Line Water Corporation
Texas Association of Hispanic County Judges and County Commissioners