In Re Paternity of Dustine RP

Ronald L. M. appeals a judgment of paternity, claiming that the trial court erred by precluding his use of an expert witness and the introduction of medical records into evidence, each of which bore on the issue of Ronald's sterility. He also challenges an order denying his motion for a new trial because of these errors in the trial. See § 805.15(1), Stats. The trial court ruled that the witness could not be used because Ronald's failure to name an expert violated the pretrial scheduling order, and that the medical records showing sterility in 1993 were not demonstrably relevant to the…