29. Which of the following types of intellectual property must be registered in order to receive protection under federal law?

Trademarks, but not copyrights or patents.

Trademarks and copyrights, but not patents.

Trademarks, copyrights, and patents.

Trademarks and patents, but not copyrights.

None of the choices.

30. Which of the following most accurately states the "firefighter's rule" in relation to injuries sustained by a professional firefighter when responding to an emergency?

-Professional firefighters are entitled to generous awards of damages for harm suffered while responding to an emergency, in order to encourage people to become firefighters

-The defense of voluntary assumption of risk never applies to professional firefighters, who have no choice but to assume the risk of injury when responding to an emergency

-A professional firefighter cannot recover damages for harm suffered while responding to an emergency, even when that harm is caused by the defendant's negligence

-A professional firefighter is entitled to recover punitive damages if he or she is injured while fighting a fire negligently caused by the defendant