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258 by the author of his own reports published under an earlier contract by the plaintiffs; and in 1911, in Shepard v. Taylor, Judge Hazel held that common errors were prima facie proof of infringement.

In the important case of West Pub. Co. v. Lawyers' Pub. Co., where a collection of selected cases and a general digest were alleged to be infringements of the plaintiff's reports and monthly digests, Judge Coxe in the U. S. Circuit Court enjoined 303 proved "instances of piracy" but not the remaining portions of the digest, but in 1897 the U. S. Circuit Court of Appeals, through Judge Lacombe, held that under such circumstances the burden of proof must be on the unfair user and broadened the decision by issuing an injunction against the work as a whole, excepting those parts which were public property. In 1910, in Park & Pollard v. Kellerstrass, Judge Philips enjoined the whole work because the infringing parts were not separable. In 1903, in Thompson Co. v. American Law Book Co., where the editor of the defendant's law encyclopaedia had made a list of cases cited in complainant's work, which included material "pirated" by the complainant from copyright works, the Circuit Court of Appeals, reversing the lower court, held through Judge Coxe that there was no infringement, because the only use made of the list was to guide the defendant to the reports and because the complainant had no standing in equity. "If the defendant was guilty of piracy, so was the complainant; and equity will not protect a pirate from infringements of his piratical work." To like effect in SlinsgbySlingsby [sic] v. Bradford Co., in 1905, Justice Warrington, in the Chancery Division, held that the plaintiff could not recover against an evident copying because his own catalogue was fraudulent in advertising as patented articles not so protected, and a fraud will not be protected. In