Law Commons^™

The Trade Secrecy Standard For Patent Prior Art, Sharon Sandeen, Camilla A. Hrdy

Faculty Scholarship

A fundamental criterion of patentability is that an invention must be new as compared to the prior art—the corpus of preexisting knowledge and technology already available to the public. If an invention is in the prior art, or rendered obvious by it, it cannot be patented.

The U.S. Patent Act has traditionally envisioned a categorical approach for deciding what counts as prior art. Under this approach, courts are supposed to decide whether a particular disclosure about the invention (a reference) falls within one of the categories listed in Section 102 of the Patent Act, such as “described in a printed …