Monsanto Won’t Face Quick Appeal in Roundup Label Class Suit

A man who sued Bayer AG unit Monsanto Co. over its marketing of Roundup can’t immediately appeal a federal trial court’s refusal to certify a class of consumers.

Wisconsin resident Thomas Blitz alleged Monsanto falsely advertised Roundup by saying the weed killer’s active ingredient, glyphosate, doesn’t affect humans or pets.

Bayer, which acquired Monsanto last year, faces suits by some 8,700 people who blame their cancer on Roundup.

But Blitz’s bid to proceed on behalf of a class foundered in the district court. Individual questions about whether proposed class members relied on the herbicide’s label make class certification inappropriate, the ...