‘Substantial Portion’ of a Patent: Quantitative or Qualitative?

This Article examines the U.S. Supreme Court’s holding in Life Technologies Corp., where the Court issued another requirement for patent infringement. Part II of this Article examines the text of the Patent Act and the history behind it. Part III further discusses the facts of Life Technologies Corp., to give more relevant background facts and history. Part IV focuses on the prior opinions of the case, including the district court’s ruling, appellate court’s decision, and the Supreme Court’s decision.

Part V examines and concludes with the legal significance of Life Technologies Corp., the impact that it will have on future cases, and how this ruling would have changed the outcome of previously cases.