316 Classified Material   If the U.S. Copyright Office is aware that the deposit copy(ies) contain information that has been classified by the U.S.

  315 Obscenity   Pornographic works may be registered with the U.S. Copyright Office, provided that they contain a sufficient amount of original authorship.  

  314 Use of Protected Names, Characters, Slogans, Symbols, Seals, Emblems, and Insignia   Occasionally, the U.S. Copyright Office receives works that contain names, characters,

313.6 (D) Works in the Public Domain Works that are in the public domain in the United States cannot be registered with the U.S. Copyright

  313.6 (C) (2) Government Edicts   Legislators and judges “empowered to speak with the force of law cannot be the authors of–and therefore cannot

  313.6 (C) Government Works 313.6 (C) (1) U.S. Government Works   Copyright protection under the Copyright Act is not available for “any work of

  313.6 (C) Government Works 313.6 (C) (1) U.S. Government Works   Copyright protection under the Copyright Act is not available for “any work of

  313.6 (B) Unlawful Use of Preexisting Material in a Derivative Work, a Compilation, or a Collective Work   Some derivative works, compilations, and collective

313.6 (A) Foreign Works That Are Not Eligible for Copyright Protection in the United States As discussed in Section 304, a work of authorship may

313.6 Other Types of Works That Cannot Be Registered with the U.S. Copyright Office