ViiV Healthcare files patent infringement litigation over bictegravir
Within hours of gaining US approval for its new HIV treatment Biktarvy, which combines Descovy (emtricitabine/tenofovir alafenamide) with the integrase strand transfer inhibitor bictegravir, US biotech major Gilead Sciences (Nasdaq: GILD) has been slapped with a patent lawsuit.
ViiV Healthcare, the HIV specialist majority-owned by UK pharma major GlaxoSmithKline (LSE: GSK), with Pfizer Inc. and Shionogi Limited as shareholders, on Wednesday announced that it has filed patent infringement litigation against Gilead over bictegravir in the USA and Canada.
The US case is filed in the District Court for the District of Delaware and the patent is US patent No 8,129,385. The Canadian case is filed in the Canadian Federal Court in Toronto and the patent is Canadian Patent No 2,606,282.
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