What Best Describes the Public Use Doctrine Relative to Patents

question 63

Multiple Choice

What best describes the public use doctrine relative to patents?

• A) Patent protection is lost if the patented item becomes used by the public after the patent is granted.
• B) Patents will not be granted for items that have been used by the public for more than 1 year before the patent application was filed.
• C) Patent protection will be lost if a member of the public successfully discovers how to build the patented item through reverse engineering.
• D) Once a patent is granted,it will be lost if the patented item is not made available to the public within 1 year after the patent is granted.
• E) The public is allowed to engage in limited use of a patented invention without being held liable for damages.

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