BeiGene to defend patent infringement claims by Pharmacyclics

19 June 2023
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China-headquartered biotech BeiGene (Nasdaq: BGNE; HKEX) says it is aware that Pharmacyclics has filed a complaint against BeiGene and its US subsidiary alleging that its lead product Brukinsa (zanubrutinib) infringes a patent issued on June 13, 2023, to Pharmacyclics, a subsidiary of US pharma major AbbVie (NYSE: ABBV). AbbVie is seeking a declaratory judgment of infringement plus damages.

BeiGene, whose shares fell more than 10% on the news, insists its work is original, and will vigorously defend against all allegations of patent infringement, and says it is an unfortunate but rather regular occurrence that companies make allegations that a competitive product potentially infringes their intellectual property rights, even more so in response to a clearly differentiated medicine for cancer patients as Brukinsa.

Brukinsa is now approved in more than 65 markets around the world and is approved in chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL), Waldenström’s macroglobulinemia (WM), mantle cell lymphoma (MCL), and relapsed or refractory (R/R) marginal zone lymphoma (MZL) in the USA.

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