The Federal Circuit recently upheld the Patent Office’s decision to reject claims in four separate reexamination cases due to obviousness-type double patenting (ODP). In re Cellect, LLC, Appeal Nos. 22-1293, -1294, -1295, -1296 (Fed. Cir. Aug. 28, 2023). This decision is important because it expands ODP, a doctrine judges developed long ago, when patents received … Continue Reading
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