Miller v. Bike Athletic Co.

Francis E. Sweeney, Sr., J.

In determining whether the trial court was warranted in granting appellees’ motions for summary judgment, we must consider whether the court properly excluded the scientific testimony of appellants’ expert witnesses.

I. Expert Testimony of Dr. Lafferty

At the core of this determination is whether the testimony of James Lafferty was admissible and whether the test he based his opinion upon was reliable.

Appellants retained James Lafferty, a consulting engineer in the areas of mechanical and biomedical engineering, to provide them with an opinion on whether the helmet…