Law Commons^™

Copying In Patent Law, Christopher A. Cotropia

Law Faculty Publications

Patent law is virtually alone in intellectual property (IP) in punishing independent development. To infringe a copyright or trade secret, defendants must copy the protected IP from the plaintiff, directly or indirectly. But patent infringement requires only that the defendant's product falls within the scope of the patent claims. Not only doesn't the defendant need to intend to infringe, but the defendant may be entirely unaware of the patent or the patentee and still face liability. Nonetheless, copying does play a role in some subsidiary patent doctrines, including damages rules, willfulness, and obviousness. More significantly, the rhetoric of patent law …