Pfiz­er and BioN­Tech say GSK's Covid patent suit is 'ground­less'

Pfiz­er and BioN­Tech have called GSK’s patent law­suit “ground­less,” ac­cus­ing the British drug­mak­er of “im­prop­er­ly con­tort­ing” its claims to say their block­buster Covid vac­cine is …

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