tying
 n.— «The court will determine whether Illinois Tool Works (Research) violated antitrust laws under the Sherman Act by forcing consumers of its patented ink jet printer to buy a certain type of printer ink for use with its printer—a practice known as tying.» —“Cheaper refills vs. patent profits” by Shaheen Pasha CNN Money Nov. 28, 2005. (source: Double-Tongued Dictionary)

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