Library of Congress. Copyright Office

Summary

Library of Congress. Copyright Office Copyright Law of the United States of America

A "pseudonymous work" is a work on the copies or phonorecords of which the author is identified under a fictitious name.
"Publication" is the distribution of copies or phonorecords of a work to the public by sale or other transfer of ownership, or by rental, lease, or lending. The offering to distribute copies or phonorecords to a group of persons for purposes of further distribution, public performance, or public display, constitutes publication. A public performance or display of a work does not of itself constitute publication.
Source: Gutenberg

Library of Congress. Copyright Office Copyright Law of the United States of America

A work is "fixed" in a tangible medium of expression when its embodiment in a copy or phonorecord, by or under the authority of the author, is sufficiently permanent or stable to permit it to be perceived, reproduced, or otherwise communicated for a period of more than transitory duration. A work consisting of sounds, images, or both, that are being transmitted, is "fixed for purposes of this title if a fixation of the work is being made simultaneously with its transmission.
Source: Gutenberg

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