Edgar A. McCulloch, Woods v. Carl (1905)
“ If the jurisdiction of Congress over the subject of patents and patent rights is so extensive as to exclude the power of a State to declare void, unless made in certain form, written obligations given in consideration of sales of patent rights, or patented articles, then it also follows that the State is powerless to alter the established rules of the law merchant so as to permit defenses, not applicable to other negotiable paper, to be made to such paper given in consideration of sales of patent rights or patented articles. ”
