ISSUE: Whether, when a plaintiff asserts new claims, federal preclusion principles can bar a defendant from raising defenses that were not actually litigated and resolved in any prior case between the parties.

PIJIP SUPREME COURT SERIES: American University Washington College of Law regularly invites counsel of record and counsel for selected amici to offer post-argument reflections in intellectual property (and related) cases heard by the Supreme Court. These events are held on the afternoon of oral argument before the Court.