CASE HUB ARCHIVED—this archived case hub reflects the position at the date of the judgment of 13 November 2020; it is no longer maintained. See further, imeline and commentary. Case facts Outline An appeal by Facebook against the CMA’s decision to refuse to grant derogations to an IEO imposed in relation to the completed acquisition of Giphy by Facebook through a stock conversion by its wholly-owned subsidiary, Tabby Acquisition. Latest development On 13 November 2020, the CAT issued its judgment in which it dismissed the appeal in its entirety. Parties Applicant• Facebook, Inc, a US-based company, is a social media conglomerate.• Facebook UK Limited provides sales support, marketing services and engineering support to the Facebook group and acts as a reseller of advertising services to larger UK customers (together, Facebook)Respondent• Competition and Markets Authority (CMA)Other parties• Giphy Inc (Giphy), a UK-based company, operates an online database and search engine that primarily allows users to search and share GIFs and GIF stickers Background Acquisition of Giphy On 15 May 2020, Facebook purchased Giphy. The transaction was structured