Invokana Diabetes Amputee Lawsuits. Michael Nickels recently filed a product liability and personal injury claim in the U.S. District Court for the District of New Jersey over claims of amputation as a result of taking the diabetic medication. According to Nickels, Johnson & Johnson, the world’s largest pharmaceutical company, and its Janssen Pharmaceuticals subsidiary knew … Continue reading Invokana Diabetes Amputee Lawsuits