shutterstock_1425740486_ii_studio
II Studio / Shutterstock.com
27 January 2020AmericasRory O'Neill

US govt PrEP patents are invalid, Gilead tells court

Gilead Sciences has accused a US government agency of withholding information from the US Patent and Trademark Office (USPTO) when filing two patents for HIV pre-exposure prophylaxis (PrEP).

Already registered?

Login to your account

To request a FREE 2-week trial subscription, please signup.
NOTE - this can take up to 48hrs to be approved.

Two Weeks Free Trial

For multi-user price options, or to check if your company has an existing subscription that we can add you to for FREE, please email Adrian Tapping at atapping@newtonmedia.co.uk


More on this story

Americas
10 July 2026   Harbour’s trial counsel shares the strategy behind the company’s $20m win, revealing how a highly technical patent dispute became a case about credibility as much as science.
Americas
9 July 2026   Separate lawsuits target Indian and Taiwanese pharma companies as Exelixis seeks to keep rival cabozantinib products off the US market until key patents expire.
Americas
2 July 2026   A federal court has ruled in a dispute between a clinical trial technology company and a psychedelic drug developer over allegations of trade secret misuse during a bidding process.