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pharmiweb.com today | 20 November 2008

Sanofi-aventis Announces the Settlement of Nasacort® AQ U.S. Patent Litigation and Certain Allegra®/Allegra® D-12 U.S. Patent Litigations

Paris, France - November 19, 2008 - Sanofi-aventis announced today the signature of agreements to settle the U.S. patent infringement suits related to Barr Pharmaceuticals and Teva Pharmaceuticals’ generic version of Allegra® (fexofenadine hydrochloride), as well as the U.S. patent infringement suits related to Barr’s proposed generic versions of Allegra® D-12 Hour (fexofenadine hydrochloride; pseudoephedrine hydrochloride) (Allegra® D-12) and Nasacort® (triamcinolone acetonide) AQ. In each case, the settlement agreement is subject to review by the Federal Trade Commission and U.S. state Attorneys General.

Under the terms of the agreements, in exchange for payment of royalties, sanofi-aventis US has agreed to grant Barr and Teva a license to certain patent rights to permit Barr and Teva to sell generic versions of Allegra® 30-mg, 60-mg, and 180-mg tablets in the United States, and to grant Barr a license to certain patent rights to sell generic versions of Allegra® D-12 and Nasacort® AQ in the United States at a future date. In each case, the license is to be non-exclusive, will allow generic entry prior to the expiration of sanofi-aventis US’ patents, and will not preclude sanofiaventis US’ own marketing of a generic version of these products. No license is granted with respect to any other Allegra® product.

With respect to Allegra®, for which Barr and Teva already market a U.S. generic, royalties are to be retroactively applied to past sales. Royalty rates under the Allegra® D-12 and the Nasacort® AQ licenses will take into account the number of AB-rated generics of these products on the U.S. market.

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