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Federal Circuit Overrules Rosen-Durling Test for Design Patent Obviousness

Patently-O

by Dennis Crouch In a highly anticipated en banc decision, the Federal Circuit has overruled the longstanding Rosen-Durling test for assessing obviousness of design patents. Rejecting the argument that KSR did not implicate design patent obviousness, the court reasoned that 35 U.S.C. § GM Global Tech. Operations LLC , No.

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Obviousness Test for Design Patents Unchanged

The IP Law Blog

Design patents and utility patents are two different things. Design patents protect ornamental designs, such as the shape of a perfume bottle or the design on flatware. To be patentable, however, both designs and functional inventions must satisfy two requirements. Telflex, Inc.,

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Reevaluating Design Patent Obviousness

Patently-O

by Dennis Crouch Design patents continue to rise in importance, but the underlying law full of eccentricities. The crux of the issue lies in the manner patent law decisions are typically written. The case itself involves design patents covering GM parts, such as front fenders. Teleflex Inc.,

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In re SurgiSil : Much More than a Cosmetic Change to Design Patent Law

LexBlog IP

A recent decision of the United States Court of Appeals for the Federal Circuit has fundamentally altered the law on prior art anticipation for design patent applications. 171(a), design patent protection is permitted to “[w]hoever invents any new, original and ornamental design for an article of manufacture.” (Emphasis added).

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What do dashed lines in a design patent mean?

Patent Trademark Blog

What is the meaning of broken or dashed lines in a design patent? While I’m not sure if you can call it a loophole, US design patents enable a particular option in the drawings that can potentially broaden protection. In a US design patent, the claimed design comprises what is drawn in solid lines.

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Guest Post by Prof. Hrdy & Dan Brean: The Patent Law Origins of Science Fiction

Patently-O

Hrdy, Professor of Intellectual Property Law at University of Akron School of Law, and Daniel H. Are inventions described in works of science fiction patentable? It may surprise you, then, to learn that the genre of science fiction is deeply indebted to patent law and patent theory. See [link].

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The Scope of Comparison Prior Art in Design Patent Infringement

Patently-O

2022) raises a number of important design patent law questions, including an issue of first-impression of the scope of “comparison prior art” available for the ordinary observer infringement analysis under Egyptian Goddess, Inc. An accused design does not have to exactly match the drawings. by Dennis Crouch.