Sanofi, Regeneron expand tie-up with $8 billion drug-development deal, settle legal dispute
By Bhanvi Satija and Mariam Sunny Oct 1 (Reuters) - Sanofi and Regeneron said on Thursday they will develop four new drugs together in a deal worth up to $8 billion and settle prior litigation, moves analysts said signal a reset of their strained partnership and an early win for the French