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Claim Re-Construction: The Doctrine Of Equivalents In The Post-Markman Era, John R. Thomas

Georgetown Law Faculty Publications and Other Works

In the post-Markman era, the Federal Circuit has focused attention on the public notice function of patent claims in equivalents cases, and it has come to emphasize precision and accuracy in claim drafting. This Article argues that recent judicial emphasis on the public notice function of patent claims is an inappropriate innovation policy. The demand for highly refined patent claims increases patent acquisition expenditures that are unlikely to increase social welfare, cause patent rights to be distributed unevenly, and are inconsistent with the structural features of the patent system. This Article presents two mechanisms to accommodate the doctrine of equivalents …