The Berne Convention for the Protection of Literary and Artistic Works is an international treaty that establishes minimum standards for copyright protection worldwide.

In the United States, copyright protection for literary works lasts for the life of the author plus 70 years.

Trade secrets are not a type of intellectual property, but rather a type of confidential information that is protected by law.

The primary purpose of a patent is to protect the rights of inventors by granting them exclusive rights to their inventions for a limited period of time.

Originality is not a requirement for obtaining a patent. The other three requirements are novelty, utility, and non-obviousness.

In the United States, the term of patent protection is 20 years from the date of filing.

Collective marks are not a type of trademark. The other three types are word marks, design marks, and service marks.

The primary purpose of a trademark is to protect the rights of trademark owners by granting them exclusive rights to use their trademarks for a limited period of time.

Non-obviousness is not a requirement for obtaining a trademark. The other three requirements are distinctiveness, use in commerce, and originality.

In the United States, the term of trademark protection is 10 years from the date of filing.

Design right is not a type of intellectual property right. The other three types are copyright, patent, and trademark.

The primary purpose of a design right is to protect the rights of design owners by granting them exclusive rights to use their designs for a limited period of time.

Use in commerce is not a requirement for obtaining a design right. The other three requirements are novelty, originality, and non-obviousness.

In the United States, the term of design right protection is 15 years from the date of issuance.

Design right infringement is not a challenge to intellectual property rights in the digital age. The other three challenges are copyright infringement, patent infringement, and trademark infringement.