Author Archives: Warren Woessner

Belcher v. Hospira – Inequitable Conduct is Still in Your Invalidity Toolbox

Ever since Therasense made it more difficult to plea and prove inequitable conduct (IC), I feel that practitioners and litigators have pushed this defense to patent infringement out of the front lines of infringement attacks. In fact, I know of … Continue reading

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Chemours Co. v. Daikin Industries – Back to Some IP Basics

After trying to untie the Gordian knot of patent eligibility, it is almost IP comfort food to read a Fed. Cir. decision that deals with obviousness. In Chemours Co. FC, LLC v Daikin Industries, Ltd., Appeal Nos. 2020-1289 and 2020-1290 … Continue reading

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USPTO Publishes Interim Process for Director’s Review of PTAB Decisions

Information from the USPTO: [The USPTO’s] webpage houses useful information regarding the implementation of an interim Director review process in Patent Trial and Appeal Board (PTAB) proceedings following Arthrex. Background On June 21, 2021, the U.S. Supreme Court issued a … Continue reading

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Yu v. Apple – Transubstantiation of a Machine into an Abstract Idea

Every time the courts re-define a mechanical device as an abstract idea, I struggle with the rationale that is applied to evaluate the claimed subject matter for patent eligibility under s. 101. I am not a computer scientist so the … Continue reading

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