US government sues Gilead for patent infringement over HIV drugs
The US government is suing Gilead for patent infringement, claiming that the pharmaceutical company has been piggybacking on public research to earn billions from its HIV drugs.
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6 February 2020 Gilead has suffered a blow in its efforts to invalidate the US government’s patent rights for PrEP, as the Patent Trial and Appeal Board threw out two of its four patent challenges.
27 January 2020 Gilead Sciences has accused a US government agency of withholding information from the US Patent and Trademark Office when filing two patents for HIV pre-exposure prophylaxis.
9 December 2019 US presidential candidate Bernie Sanders has called on the US Patent and Trademark Office to block extensions to two Gilead Sciences patents covering HIV prevention drugs including Descovy.