McDermott Will & Emery·IP / PATENT
PTAB eases Markush group requirements for biomarker patents
PTAB reverses examiner rejection, finding structurally distinct microRNAs form proper Markush group when functionally interchangeable for claimed invention.
ptab-markush-groupspatent-prosecutionmicrorna-biomarkerspatent-appealsbiotech-patents
Read the original firm alert → Saturday, September 12, 2026