Which of the following statements is correct regarding

Solution

• Statement (a) is incorrect as a trademark can also apply to sounds, colors, or even packaging designs, not just logos or brand names.
• Statement (b) is correct: A trade secret is protected as long as it remains confidential, and there is no need for formal registration to keep it protected.
• Statement (c) is incorrect as patents generally last for a period of 20 years from the filing date, after which the invention enters the public domain.
• Statement (d) is incorrect because copyright applies to both tangible and digital works, including software, music, and films.