SummaryCompaniesLaw Firms Researcher, company spar over effect of recent ruling overturning $223.8 million verdictJ&J faces thousands of lawsuits claiming its talc products caused cancer Oct 17 (Reuters) - A scientist being sued for defamation by Johnson & Johnson over her research linking the company's talc powder to cancer has said that a recent decision discounting her testimony in a different case does not bolster the company's claims against her, urging a judge to dismiss the lawsuit.