Yesterday, the PTAB instituted IPRs on two of Abbvie’s Humira patents, U.S. Patent Nos. 9,017,680 and 9,073,987, which are drawn to dosing regimens for AbbVie’s Humira (adalimumab) for the treatment of rheumatoid arthritis. As previously reported here, the PTAB previously instituted an IPR on related U.S. Patent 8,889,135 based on a petition…