In Re Premcor Refining Group, Inc.

OPINION

Relators Premcor Refining Group, Inc. and Motiva Enterprises, L.L.C. seek a writ of mandamus to compel the trial court to vacate its orders denying relators’ motion for summary judgment, denying rela-tors’ motion to strike the expert witnesses of the real parties in interest, and denying relators’ motion to dismiss the plaintiffs’ personal injury claims. We conditionally grant the petition for writ of mandamus.

BaCkgeound

The underlying proceeding began when numerous plaintiffs sued relators and other defendants for alleged injuries sustained as a result of exposures to allegedly…