in Re: State Line Fireworks, Inc.

OPINION

Opinion by

Justice MOSELEY.

This petition for writ of mandamus is brought by State Line Fireworks, Inc. (State Line), a defendant whose motion for modification of a scheduling order to obtain additional time to permit the joinder of third parties was denied by the trial court.

On December 28, 2011, Kenith Hanson filed a products liability suit against State Line, after an allegedly “defectively designed and manufactured consumer firework[]” sold by State Line exploded and sent a “shrapnel like piece of the fiberglass tube” into his eye. On August 27, State Line filed an opposed motion for…