Tassop v. United States

How later courts describe this case

• holding that "when the defendant opens up the issue by claiming that all reasonable care was being exercised at the time, then the plaintiff may attack that contention by showing later repairs which are inconsistent with it"
• denial of representative status to plaintiff who admitted his sophistication as investor not abuse of discretion
• "This is an appeal from a denial of class certification in a case alleging 10(b)(5) security fraud ....”
• defendant inferred that lighting was adequate on railroad platform at time plaintiff was raped; plaintiff allowed to show that, after the rape, defendant installed new lighting fixtures
• “In short, a disappointed bidder has no cause of action under Pennsylvania law.”
• “[W]hen the defendant opens up the issue by claiming that all reasonable care was being exercised at the time, then the plaintiff may attack that contention by showing later repairs which are inconsistent with it”