Abstract

The pharmaceutical industry relies on innovation. However, many innovative firms are cutting their research and development investments and seeing their new product pipelines dry up, due in part to a lack of sufficient patent protection. This Note identifies two major factors that have caused this inadequacy in patent protection. First, pharmaceutical patents are challenged early and often by generic manufacturers, as encouraged by the 1984 Hatch-Waxman Act. Second, the scope of pharmaceutical-patents is sometimes unduly restrained due to limited application of the doctrine of equivalents. Consequently, pharmaceutical patents, especially drug-product patents, are easily designed around and cannot offer the protection necessary for innovative firms to recoup their developmental costs.

This Note argues for a wider application of means-plus-function clauses in pharmaceutical patents as a potential cure for this problem. Means-plus-function claims, although authorized by Congress in the 1952 Patent Act, have not been explored much in the pharmaceutical context. This Note argues that this claiming strategy is not only appropriate but also particularly effective for pharmaceutical patents. Means-plus-function claims would give drug-product patents adequate scope even with the limited use of the doctrine of equivalents and thus would provide the protection necessary for innovative firms to withstand frequent attacks by generic manufacturers. Finally, this Note examines issues anticipated with applying means-plus-function claims to pharmaceutical patents and proposes possible solutions.

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