Columbia subject headings:
Intellectual property--Moral and ethical aspects--United States.
Patent laws and legislation--Moral and ethical aspects--United States.
Harvard subject headings:
Intellectual property--Moral and ethical aspects--United States.
Patent laws and legislation--Moral and ethical aspects--United States.
Princeton subject headings:
Intellectual property--United States--Moral and ethical aspects.
Patent laws and legislation--United States--Moral and ethical aspects.