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Intellectual Property Law Commons

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University of Michigan Law School

Michigan Telecommunications & Technology Law Review

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Full-Text Articles in Intellectual Property Law

Pioneers Versus Improvers: Enabling Optimal Patent Claim Scope, Timothy Chen Saulsbury Jan 2010

Pioneers Versus Improvers: Enabling Optimal Patent Claim Scope, Timothy Chen Saulsbury

Michigan Telecommunications & Technology Law Review

Arising most commonly as a defense to an infringement claim, enablement requires a patent to describe the claimed invention in sufficient detail to permit a person having ordinary skill in the relevant field to replicate and use the invention without needing to engage in "undue experimentation." If a patent claim is not "enabled"--i.e., if a person having ordinary skill in the art (PHOSITA) who studied the patent cannot make or use the invention without undue experimentation--the claim is invalid and can no longer be asserted. This penalty deters patent applicants from claiming more than they invented and allows others to …


Best Mode: A Plea To Repair Or Sacrifice This Broken Requirement Of United States Patent Law, Steven B. Walmsley Oct 2002

Best Mode: A Plea To Repair Or Sacrifice This Broken Requirement Of United States Patent Law, Steven B. Walmsley

Michigan Telecommunications & Technology Law Review

An inventor's obligation to disclose the best mode of her invention is strong consideration in the U.S. patent bargain, but the courts paradoxically define the scope of that obligation, thus rendering the enforcement of U.S. patents unreasonably unpredictable. If an inventor cannot reasonably foresee the scope of her obligation to disclose invention details, then she is subjected to the costs and risks of either overcompliance or undercompliance with the best mode requirement. The scope of the best mode requirement should either be reliably defined by an en banc ruling of the Court of Appeals for the Federal Circuit, or the …