When Illumina announced its proposed acquisition of Pacific Biosciences last fall, an immediate question arose as to whether the deal would pass antitrust review.  Illumina must have been optimistic, as they originally expected the deal 
to close in "mid-2019".  That timetable has now been rolled back to late 2019 in the face of the UK agency with jurisdiction over mergers deciding to go for a second round of review and no word yet from the U.S.'s Federal Trade Commission.
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