AbbVie’s Pharmacyclics recently sued BeiGene for patent infringement. Both companies distribute Bruton’s tyrosine kinase (BTK) inhibitors for treatment of, among other indications, chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL). Pharmacyclics sells Imbruvica® and BeiGene sells Brukinsa®. Will Pharmacyclics prevail, and if so, what will it gain?
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