In re Marden

Name: In re Marden
Cite: 47 F.2d 957
Year: 1931
Bluebook cite: In re Marden, 47 F.2d 957 (C.C.P.A. 1931).
Author
URL: 47 F.2d 957
Item Type: case
Summary: Denied patent claims by holding that uranium and vanadium are products of nature and are therefore not patentable subject matter.