Law Commons^™

The Death Of The Genus Claim, Dmitry Karshtedt, Mark A. Lemley, Sean B. Seymore

GW Law Faculty Publications & Other Works

The central feature of patent law in the chemical, biotechnology, and pharmaceutical industries is the genus claim – a patent that covers not just one specific chemical but a group of related chemicals. Genus claims are everywhere, and any patent lawyer will tell you they are critical to effective patent protection.

But as we show in this article, the law has changed dramatically in the last twenty-five years, to the point where it is no longer possible to have a valid genus claim. Courts almost always hold them invalid. Remarkably, they do this without having acknowledged that they have fundamentally …

Cases And Materials On Patent Law, Martin J. Adelman, Randall R. Rader, John R. Thomas

GW Law Faculty Publications & Other Works

This casebook provides a thorough overview of the fundamentals of U.S. patent law. The book is organized in fourteen chapters. The casebook starts with the current statute in Title 35 of the United States Code. It then considers the requirement of “usefulness” necessary to receive patent protection. The book proceeds to explain the requirement of “novelty” as well as the “nonobviousness standard.” The book also examines the various roles of the United States Patent and Trademark Office (“USPTO”), as well as the basics of the patent acquisition process.

After its discussion of the USPTO, the book provides an overview of …