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The "Evolving Written Description Doctrine" And The Search For Specificity (A.K.A. Adequacy Is The Matter Of Invention.), Gerald R. Prettyman Jr.

The Journal of Business, Entrepreneurship & the Law

In 1996, the U.S. Supreme Court ruled in Markman that claim construction was a matter of law for the judge to decide. There was hope in the patent bar that Markman would bring uniformity to claim construction and a reduction to the lengthy process of patent litigation. Some authors report instead that the claim construction reversal rate is increasing. Other authors question the consistency of the rulings from the Court of Appeals for the Federal Circuit. Circuit Judge Rader of the Federal Circuit recently named this controversy the “Evolving Written Description Doctrine.” Behind this controversy primarily lies judicial interpretation of …