Counterfeit consumer goods

Counterfeit consumer goods are goods, often of inferior quality, made or sold under another's brand name without the brand owner’s authorization. Sellers of such goods may infringe on either the trade mark, patent or copyright of the brand owner by passing off its goods as made by the brand owner.

The term "knockoff" is often used interchangeably with "counterfeit," although their legal meanings are not identical. A "knockoff" is a colloquial term which describes products that copy or imitate the physical appearance of other products, but which do not copy the brand name or logo of a trademark. They may, or may not, be illegal under trademark laws. Such products are considered illegal when they are intended to confuse consumers. And someone can be a counterfeiter even if he doesn’t make the products, but knowingly sells them to others. Another overlapping term is "pirated goods", which generally refers to copying copyrighted products without permission, such as music, movies and software. Exact definitions are determined by the laws of various countries.

Knock Off (film)

Knock Off is a 1998 American action film directed by Tsui Hark, and starring Jean-Claude Van Damme and Rob Schneider. The film was released in the United States on September 4, 1998. The title is a double entendre, as the term colloquially refers to both counterfeit goods as well as targeted killing. The film is one of the last in the world to feature Kai Tak Airport still in use; the airport closed in 1998.

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