Watson Confirms Favorable Appeals Court Decision in Mucinex(R) Patent Suit

PARSIPPANY, N.J., July 7, 2011 /PRNewswire/ -- Watson Pharmaceuticals, Inc. (NYSE: WPI) today confirmed that the United States Court of Appeals for the Federal Circuit has affirmed the United States District Court for the Southern District of Florida's February 2011 decision that Watson's generic versions of Mucinex(R) (Guaifenesin), Mucinex(R) D (Pseudoephedrine/Guaifenesin), and Mucinex(R) DM (Dextromethorphan HBr/ Guaifenesin) Extended-Release products do not infringe U.S. Patent No. 6,372,252.

The Company said it is continuing to seek final FDA approval of the products.

In 2009, Reckitt Benckiser Inc. sued Watson Laboratories, Inc. – Florida for patent infringement related to Watson's filing of three Abbreviated New Drug Applications for generic versions of Reckitt's Mucinex(R) line of products. The Mucinex(R) products had total U.S. sales of approximately $500 million for the twelve months ending December 31, 2010, according to IRI and are indicated to help loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive.

About Watson Pharmaceuticals, Inc.

Watson Pharmaceuticals, Inc. is a leading integrated global pharmaceutical company. The Company is engaged in the development and distribution of generic pharmaceuticals and specialized branded pharmaceutical products focused on Urology and Women's Health. Watson has operations in many of the world's established and growing international markets. For press release and other company information, visit Watson Pharmaceuticals' Web site at http://www.watson.com.

Forward-Looking Statement

Statements contained in this press release that refer to non-historical facts are forward-looking statements that reflect Watson's current perspective of existing information as of the date of this release. It is important to note that Watson's goals and expectations are not predictions of actual performance. Actual results may differ materially from Watson's current expectations depending upon a number of factors, risks and uncertainties affecting Watson's business. These factors include, among others, the difficulty of predicting the timing or outcome of product development efforts, including FDA and other regulatory agency approvals and actions, if any; the difficulty of predicting the timing and outcome of the pending patent litigation; the impact of competitive products and pricing; the timing and success of product launches; difficulties or delays in manufacturing; the availability and pricing of third party sourced products and materials; successful compliance with FDA and other governmental regulations applicable to Watson and its third party manufacturers' facilities, products and/or businesses; changes in the laws and regulations, including Medicare and Medicaid, affecting among other things, pricing and reimbursement of pharmaceutical products; and such other risks and uncertainties detailed in Watson's periodic public filings with the Securities and Exchange Commission, including but not limited to Watson's quarterly report on form 10-Q for the quarter ended March 31, 2011 and Watson's annual report on Form 10-K for the year ended December 31, 2010. Except as expressly required by law, Watson disclaims any intent or obligation to update these forward-looking statements.

Mucinex(R) is a registered trademark of Reckitt Benckiser LLC.

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SOURCE Watson Pharmaceuticals, Inc.