"[N]o author may copyright facts or ideas. The copyright is limited to those aspects of the work - termed `expression' - that display the stamp of the author's originality.

Facts, whether alone or as part of a compilation, are not original, and therefore may not be copyrighted ( This includes caselaw). A factual compilation is eligible for copyright if it features an original selection or arrangement of facts, but the copyright is limited to [499 U.S. 340, 351]   the particular selection or arrangement. In no event may copyright extend to the facts themselves.