May 13, 2022
Composition claims sometimes recite a ratio of amounts of two different components in the composition. Similarly, claims relating to a polymeric compound sometimes recite a ratio
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May 6, 2022
Niazi Licensing Corp. v. St. Jude Med. S.C., No. 2021-1864 (Fed. Cir. Apr. 11, 2022), is a recent decision of the Federal Circuit considering, inter alia,
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April 28, 2022
Last month, in Almirall, LLC v. Amneal Pharm., No. 2020-2331 (Fed. Cir. Mar. 14, 2022) the Federal Circuit affirmed the Board’s holding of obviousness in an
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April 21, 2022
Nine times out of ten a negative limitation satisfies the written description requirement when the specification positively describes the limitation to be excluded or better yet
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April 15, 2022
Functional equivalence is a rationale that examiners often rely on in support of an obviousness rejection. However, as discussed in one of our previous blogs, examiners
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April 7, 2022
U.S. patent claims typically use the terms “comprising” and “consisting of” when reciting components of a composition. “Comprising” indicates that the composition must include the recited
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April 1, 2022
Ex parte Nakanishi, is a recent decision of the Patent Trial and Appeal Board (PTAB) addressing obviousness of a claim directed to a steel composition. The
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March 24, 2022
Obviousness rejections of composition claims are often premised on an examiner’s assertion that it would have been obvious to replace a component in a primary reference
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March 17, 2022
There is no requirement to provide unexpected results until the Patent Office establishes a prima facie case of obviousness. Seems simple, but Ex parte Popplewell shows
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March 11, 2022
Applicants can traverse rejections by submitting evidence in the form of a declaration under 37 CFR 1.132. While factual evidence, such as additional experimental data, is
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