Which statement best describes how copyright, patent, and trademark protections differ in subject matter and duration?

Which statement best describes how copyright, patent, and trademark protections differ in subject matter and duration?

• A. Copyright protects original works of authorship with generally limited duration; patents protect inventions for a finite term; trademarks protect brands indefinitely with renewal.
• B. Copyright lasts forever; patents never expire; trademarks last 10 years.
• C. Copyright protects ideas; patents protect expressions; trademarks protect product names.
• D. All three have the same duration.

Answer: (A)