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If You Want a Broad Patent Construction, Be Careful What You Ask For

By Charles W. Shifley
June 27, 2008

In a recent case, a patent owner claimed to have invented side impact airbag sensing. The patent enabled an embodiment; that was stipulated. In opposition to a motion for summary judgment of invalidity for lack of enablement, the owner asserted that enablement of a preferred embodiment satisfied the enablement requirement of the patent law. It didn't. In Automotive Technologies Int'l., Inc. v. BMW of N.Am., 378 F. Supp. 2d 780 (E.D.Mich. 2005), aff'd, 501 F.3d 1274 (Fed.Cir. 2007), the District Court and the Federal Circuit held the patent invalid for failure to satisfy enablement. Did you know that enabling a preferred embodiment does not satisfy the enablement requirement? It doesn't. The ATI case is only one of several consistent cases. You should beware, and consider the matter in both patent prosecution and litigation. If you own a patent, and wish for a broad construction, be careful what you wish for.

The Patent Law's Enablement Requirement

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