AbbVie Faces 1st Antitrust Suit Over Humira 'Patent Thicket'

By Jeff Overley (March 18, 2019, 11:11 PM EDT) -- AbbVie Inc.'s colossal "patent thicket" for its $20-billion-per-year immunosuppressant Humira has empowered it to block less-expensive biosimilars in violation of numerous antitrust laws, according to a first-of-its-kind suit launched Monday.

A grocery union is accusing AbbVie of blocking biosimilars of its biologic Humira. (AP) In a proposed class action filed in Illinois federal court, the largest grocery union in New York accuses Illinois-based AbbVie of misconduct in connection with a war chest of more than 100 patents that has helped the company keep biosimilar versions of Humira off the U.S. market until 2023.

"It simply is not feasible for biosimilar manufacturers to...

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