Gilead challenges US govt patents on HIV drug Truvada

Gilead Sciences, the maker of HIV drug Truvada (emtricitabine/tenofovir), has asked the US Patent and Trademark Office (USPTO) to review patents granted to the government covering preventative use of the drug.

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US govt PrEP patents are invalid, Gilead tells court

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.

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Gilead fails to have US government patents invalidated

21 February 2020 Gilead Sciences has failed in its efforts to have US government patents covering the use of HIV drugs as pre-exposure prophylaxis invalidated.

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Gilead accused of illegally paying to delay HIV drug competition

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Americas

US govt PrEP patents are invalid, Gilead tells court

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.

Americas

Gilead fails to have US government patents invalidated

21 February 2020 Gilead Sciences has failed in its efforts to have US government patents covering the use of HIV drugs as pre-exposure prophylaxis invalidated.

Americas

Gilead accused of illegally paying to delay HIV drug competition

More on this story

Americas

US govt PrEP patents are invalid, Gilead tells court

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.

Americas

Gilead fails to have US government patents invalidated

21 February 2020 Gilead Sciences has failed in its efforts to have US government patents covering the use of HIV drugs as pre-exposure prophylaxis invalidated.

Americas

Gilead accused of illegally paying to delay HIV drug competition