Gilead Says Drug Patent Is Invalid, So No Infringement

By Bonnie Eslinger (April 12, 2021, 3:19 PM BST) -- Gilead Sciences has defended litigation it filed seeking to revoke a biotech company's patent for a hepatitis C treatment, saying the claimed scientific creation is not sufficiently innovative after earlier medical advances and therefore its own product is not infringing legitimate intellectual property.

The American pharmaceutical giant has rebuffed claims by a British company, NuCana PLC, that the products it sells containing the active ingredient for the treatment of chronic hepatitis C illegally appropriate NuCana's validly patented invention.

It is denied that [Gilead Sciences Ltd.] has infringed...any valid claims of the patent as alleged or at all," the U.S. drug maker...

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