Walter and Skyler were experiencing marital problems.One day after a heated fight, Walter stormed out of the house.An hour later, Skyler received a voicemail from a caller saying he was going to kill her.When Skyler was later found dead, Walter was charged with first degree murder.While in custody, law enforcement obtained a warrant to compel Walter to talk into an audio recorder to compare with voice recognition software.Does Walter have to provide a voice sample?

1. No, because under the protections against self incrimination, Walter does not have to say a word to law enforcement
2. No, because the protection against double jeopardy attached at the time Walter was arrested
3. No, because Walter can refuse to provide a voice sample until a grand jury returns an indictment
4. Yes, because an accused has no right to refuse to produce real or physical evidence

Maria is a local musician who makes her living writing and singing music.At her summer home in Florida one day, Maria composed in her head a song about the beauty of the the ocean, and then she sang the song.Two months later, Maria heard a rival local artist sing the exact same song at a concert.If Maria sues the rival local artist for copyright infringement, Maria is likely to lose because:

1. Copying expressions for competitive motivations is permitted under the fair use doctrine
2. Maria failed to affix her song to a tangible medium
3. Copyright laws protect inventors, not artists
4. The statute of limitations has passed

Saul has invented a "smart" lawnmower that drives itself and mows the lawn without any assistance from a human.If Saul wants to patent his invention, which of the following will Saul NOT have to establish to the patent examiner?

1. The invention produces non-obvious results.
2. The invention is novel.
3. The invention has utility.
4. The invention is associated with an identifiable trademark.

Jessie Pinkman has been arrested and taken into custody.Jessie does not have to make any statements during the interrogation. On what constitutional amendment is this right based?

1. First Amendment
2. None, because Jessie has no constitutional right to refuse to make any statements during an interrogation.
3. Fifth Amendment
4. Sixth Amendment