in Re PrairieSmarts LLC and Casey Rockwell

OPINION

SUE WALKER, Justice.

I. Introduction

Relators PrairieSmarts LLC and Casey Rockwell seek a writ of mandamus directing Respondent to vacate a September 18, 2013 order granting Real Party in Interest TD Ameritrade, Inc.’s rule 202 petition. See Tex.R. Civ. P. 202. Because we hold that Respondent abused his discretion by granting the rule 202 petition and because Relators possess no adequate remedy at law, we will conditionally grant the writ.

II. Factual and Procedural Background

Four former employees of TD Ameri-trade subsequently became employed by PrairieSmarts.1 Those four individuals are…