In Speedtrack, Inc. v. Amazon.com, Inc. (June 3, 2021), the Federal Circuit affirmed not only the district court’s findings relating to patent infringement, but also the importance of prosecution history when interpreting the c…
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In Unicorn Global Inc. v. Golab, Inc. No. 3:19-CV-0754-N (N.D. Tex. May 26, 2020), the Northern District of Texas construed several disputed terms of U.S. Patent No. 9,376,155 and U.S. Patent No. 9,452,802, and found claims to be…
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In his recent article Without Preamble, Stanford professor Mark Lemley surveys the morass of law on determining when patent claim preambles are limiting, and he predicts that it will be swept away if the Supreme Court ever faces t…
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In Kitsch LLC v. Deejayzoo, LLC (Case No. LA CV19-02556 JAK (RAOx)) the Central District of California interpreted claims of U.S. Patent No. 10,021,930 that included terms of degree as being sufficiently definite under 35 U.S.C. Â…
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Providing a reminder about how to interpret elements of a patent claim when analyzing the claim against prior art during patent prosecution, in Technical Consumer Products, Inc. v. Lighting Science Group Corp. (April 8, 2020), the…
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