AbbVie filed its opening claim construction brief in its litigation with Boehringer Ingelheim (BI). AbbVie asserted eight patents against BI. The parties narrowed their dispute to two claim terms in three patents. U.S. Patent Nos. 9,018,361 (“’361 patent”) and 9,090,867 (“’867 patent”) are directed to methods of manufacture of adalimumab. U.S….