Although unauthorized versions of copyrighted material do sometimes drift across the network, the company says it makes great effort to distance itself from illegal activity.

Movado started producing an unauthorized version starting in 1948, copying Horwitt's design.

Wolff: "Societies don't like the unauthorized version of things being told."

One objection to these unauthorized versions is that they can damage an author's reputation with the unwitting.

However, unauthorized versions of the draft final report were leaked to the press.

The screenwriters carefully studied the silent, unauthorized version, Nosferatu for inspiration.

The unauthorized Russian version in 1972 (see above).

The unauthorized versions, which are sold on city streets, carry the message, "Unbutton my fly."

Claiming that AtomicPark.com had been selling unauthorized versions of its software since 2000, Microsoft sued the company in federal court.

The show also reached Broadway, where, despite Kunze's protests, an unauthorized version ran, for three months.