This really deserves its own post. In the comments on the post on Kirtsaeng -- where the Supreme Court just upheld the right to sell used goods, even if they were made abroad -- Shrikant quotes from Heinlein's classic short story Life-Line:
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"There has grown up in the minds of certain groups in this country the notion that because a man or corporation has made a profit out of the public for a number of years, the government and the courts are charged with the duty of guaranteeing such profit in the future, even in the face of changing circumstances and contrary to public interest. This strange doctrine is not supported by statute or common law. Neither individuals nor corporations have any right to come into court and ask that the clock of history be stopped, or turned back."