Carbon nanotubes (CNTs) have extraordinary properties that make them promising candidates for a wide variety of potential biomedical applications, including new therapeutics, drug delivery systems and diagnostics. Because of their enormous commercial potential across industries, a classic patent landgrab is underway as competitors are busy locking up broad patents on CNTs. This is creating a chaotic, tangled patent thicket, where the validity and enforceability of numerous patents is unclear. In this article, the authors summarize the CNT patent landscape for nanomedicine, identifying key building block patents while raising legal questions regarding their validity.
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Harris et al. (2007) studied this question.
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