Yesterday, Merck Sharp & Dohme Corp. filed four IPR petitions (IPR2018-01229, IPR2018-01236, IPR2018-01234, and IPR2018-01237) against GlaxoSmithKline process patents – US Patent Nos. 8,753,645 and 9,265,839. The ‘645 and ‘839 Patents are directed towards a process of conjugating bacterial saccharides to protein carriers in order to improve the immunogenicity of…