Case No. 04CV1078 (May 2006). Kenyon & Kenyon represented Teva Pharmaceuticals in these litigations brought by Sanofi-Aventis in the New Jersey District Court on Sanofi-Aventis's ALLEGRA antihistamine product. The Court denied Sanofi-Aventis's motion for a preliminary injunction, thereby allowing Teva to remain on the market with a generic version of Allegra. The market for Allegra was $1.5 billion at the time Teva launched its product.