Page:Copyright, Its History And Its Law (1912).djvu/137

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"(Sec. 43.) That every assignment of copyright executed in a foreign country shall be acknowledged by the assignor before a consular officer or secretary of legation of the United States authorized by law to administer oaths or perform notarial acts. The certificate of such acknowledgment under the hand and official seal of such consular officer or secretary of legation shall be prima facie evidence of the execution of the instrument.

"(Sec. 44.) That every assignment of copyright shall be recorded in the copyright office within three calendar months after its execution in the United States or within six calendar months after its execution without the limits of the United States, in default of which it shall be void as against any subsequent purchaser or mortgagee for a valuable consideration, without notice, whose Eissignment has been duly recorded.

"(Sec. 45.) That the register of copyrights shall, upon payment of the prescribed fee, record such assignment, and shall return it to the sender with a certificate of record attached under seal of the copyright office, and upon the payment of the fee prescribed by this Act he shall furnish to any person requesting the same a certified copy thereof under the said seal.

of name
"(Sec. 46). That when an assignment of the copyright in a specified book or other work has been recorded the assignee may substitute his name for that of the assignor in the statutory notice of copyright prescribed by this Act."

It should be noted that this last provision, authorizing the substitution of a name, is applicable only to the general copyright in a work, and not to a divided right; otherwise there would seem to be more than one copyright in the same work. The Copyright Office will, however, record assignments of specific