PARSIPPANY, N.J., April 3, 2012 /PRNewswire/ -- Watson Pharmaceuticals, Inc. (NYSE: WPI) today confirmed that the United States District Court for the District of Delaware has ruled that the asserted claims of United States Patent Nos. 7,410,978 (the '978 Patent), 7,759,359 (the '359 Patent), 7,781,448 (the '448 Patent), 7,781,449 (the '449 Patent) and 7,763,635 (the '635 Patent) for Sanctura XR® (trospium chloride extended-release capsules) are invalid. Watson's Abbreviated New Drug Application for a generic version of Sanctura XR® is pending with the Food and Drug Administration.

Sanctura XR® is indicated for the treatment of overactive bladder (OAB) with symptoms of urge urinary incontinence, urgency and urinary frequency. For the twelve months ending February 29, 2012, Sanctura XR® had total U.S. sales of approximately $68 million, according to IMS Health data.

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 annual report on Form 10-K for the year ended December 31, 2011. Except as expressly required by law, Watson disclaims any intent or obligation to update these forward-looking statements.

Sanctura XR® is a registered trademark of Allergan, Inc.

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SOURCE Watson Pharmaceuticals, Inc.