. . . . . . . . . . . . . . . . . . . "Donald S. Chisum (born 1944) is an American legal scholar specialized in patent law. His well-known, multi-volume treatise Chisum on Patents was first published in 1978."@en . . . . . . . . "Donald S. Chisum (born 1944) is an American legal scholar specialized in patent law. His well-known, multi-volume treatise Chisum on Patents was first published in 1978."@en . . . . "Donald Chisum"@en . . . "Donald S. Chisum"@en . . . . . . "1123015120"^^ . . . "Donald Chisum"@en . . . . . . . . . . . . . . "2849"^^ . . "Stanford University"@en . . . . . . . "40897788"^^ . . . . . . . . . .