Summary

Samuel Blatchford Callaghan v. Myers — Opinion of the Court

Any one who has tried it can easily understand the difference between the head-notes of two persons, equally good lawyers, and equally critical in the examination of an opinion, where they are made up independent of each other; and, bearing in mind this fact, it seems to be beyond controversy that, although in many, and perhaps most, instances there is a very considerable difference between the head-notes of the defendants' volumes and those of the plaintiff, the latter have been freely used in the preparation of the former.
Source: Wikisource

Samuel Blatchford Callaghan v. Myers — Opinion of the Court

If an individual chooses in any work to mix my literary matter with his own, he must be restrained from publishing the literary matter which belongs to me; and if the parts of the work cannot be separated, and if by that means the injunction which restrained the publication of my literary matter prevents, also, the publication of his own literary matter, he has only himself to blame.' The present is one of those cases in which the value of the book depends on its completeness and integrity.
Source: Wikisource

Samuel Blatchford Callaghan v. Myers — Opinion of the Court

We do not think that the value of the time of an infringer, or the expense of the living of himself or his family, while he is engaged in violating the rights of the plaintiff, is to be allowed to him as a credit, and thus the plaintiff be compelled to pay the defendant for his time and expenses while engaged in infringing the copyright. If the defendants, instead of employing others to do the work, had chosen to do it themselves, they might as well have made a charge, and claimed to have been credited for it, of so much a month or a year for their services in preparing the infringing volumes.
Source: Wikisource

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