Several categories of material are generally not eligible for federal
copyright protection. These include among others:
+ Works that have *not* been fixed in a tangible form of expression
(for example, choreographic works that have not been notated or
recorded, or improvisational speeches or performances that have not
been written or recorded)
+ Titles, names, short phrases, and slogans; familiar symbols or
designs; mere variations of typographic ornamentation, lettering, or
coloring; mere listings of ingredients or contents
+ Ideas, procedures, methods, systems, processes, concepts,
principles, discoveries, or devices, as distinguished from a
description, explanation, or illustration
+ Works consisting *entirely* of information that is common property
and containing no original authorship (for example: standard
calendars, height and weight charts, tape measures and rulers, and
lists or tables taken from public documents or other common sources)
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