How Long Does a Patent Last? | Impression Products v. Lexmark

The video discusses the legal battle between Impression Products and Lexmark over the resale of printer toner cartridges. Lexmark sued Impression for patent infringement, but the case ultimately reached the Supreme Court, which ruled in favor of Impression. The ruling emphasized the Exhaustion Doctrine, stating that patent rights are exhausted after the first sale, even for products sold abroad. This decision benefits consumers by potentially lowering prices and limits companies' control over their products post-sale.

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