While this recent Fed. Cir. decision – Amgen Inc. v. Sanofi, Appeal No. 2020-1074 (Fed. Cir., Feb. 11, 2021) seems predictable, given the fate of antibody claims that recite the target and the function of antibody binding thereto, there are a few interesting wrinkles to comment on. A Fed. Cir. panel of Judges Lourie, Prost and Hughes, Lourie writing, affirmed the district courts finding that Amgen’s claims failed the enablement test of s. 112. Evaluating the Wands factors—there are seven of them—to determine whether or not the claimed antibodies would require undue experimentation to locate ones falling within the scope of the claims, the panel relied on its fairly extensive precedent, most of it unfavorable to Amgen, and concluded that “lack of enablement [was found] due to the undue experimentation required to make and use the full scope of the claimed compounds that require a particular structure and functionality.” As the panel noted, citing McRO 959 F.3d at 100:
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This blog, Patents4Life, does not contain legal advice and is for informational purposes only. Its publication does not create an attorney-client relationship nor is it a solicitation for business. This is the personal blog of Warren Woessner and does not reflect the views of Schwegman Lundberg & Woessner, or any of its attorneys or staff. To the best of his ability, the Author provides current and accurate information at the time of each post, however, readers should check for current information and accuracy.