CQV Co., Ltd. v. Merck Patent GmbH, No. 2023-1027 (Fed. Cir. (PTAB) Mar. 10, 2025). Opinion by Cunningham, joined by Chen and Mayer. CQV petitioned the Patent Trial and Appeal Board for post-grant review of a Merck patent relating to alpha-alumina flakes with particular characteristics. CQV asserted that various combinations of prior art rendered the challenged claims obvious….
By: Alston & Bird
By: Alston & Bird
