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AstraZeneca Annual Report and Form 20-F Information 2011

AstraZeneca Annual Report and Form 20-F Information 2011

AstraZeneca Annual Report and Form 20-F Information 2011

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Financial Statements25 Commitments <strong>and</strong> contingent liabilities continuedIn July <strong>20</strong>11, the UK High Court held that Ranbaxy (UK) Ltd’s genericesomeprazole product does not infringe the Nexium esomeprazolemagnesium patent (the ’461 patent).In the Netherl<strong>and</strong>s, in July <strong>20</strong>11, the District Court of the Hagueupheld the validity of the Nexium esomeprazole magnesium patent(the ’461 patent). This decision has been appealed.In Finl<strong>and</strong>, the District Court of Helsinki found the Nexium esomeprazoleenantiomer patent (FI 117755) invalid in December <strong>20</strong>11.In Norway, in March <strong>20</strong>11, the Appeal Court upheld the validity ofthe Nexium-related substance patent (NO 307378) <strong>and</strong> invalidatedthe Nexium-related formulation patent (NO 314125).Nexium i.v. (esomeprazole sodium)US patent litigationIn October <strong>20</strong>11, <strong>AstraZeneca</strong> entered into an agreement with SunPharma Global FZE <strong>and</strong> affiliates (together Sun) to settle the ongoingpatent infringement suit against Sun in the US District Court for theDistrict of New Jersey with respect to Sun’s ANDA for esomeprazolesodium intravenous formulation. As part of the settlement agreement,<strong>AstraZeneca</strong> granted Sun a licence to enter the US market with itsgeneric esomeprazole sodium intravenous formulation on 1 January<strong>20</strong>14, subject to regulatory approval, or earlier in certain circumstances.Pulmicort Respules (budesonide inhalation suspension)US patent litigation<strong>AstraZeneca</strong>’s consolidated patent infringement lawsuits againstvarious generic companies for infringement of US patents directed tomethods of use <strong>and</strong> the form of active ingredient for Pulmicort Respulesproceed in the US District Court for the District of New Jersey. The <strong>20</strong>10preliminary injunction against generic defendants, Apotex Inc. <strong>and</strong>Apotex Corp., remains in place. As previously disclosed, in <strong>20</strong>08,<strong>AstraZeneca</strong> resolved patent litigation with Teva respecting its genericcopies of Pulmicort Respules, thereby allowing Teva to begin marketingits generic product in December <strong>20</strong>09.In May <strong>20</strong>11, <strong>AstraZeneca</strong> received a Paragraph IV Certification noticeletter from Watson Laboratories, Inc. (Watson) indicating that it wasseeking approval to market a generic version of the 1.0mg/2.0mldosage form of Pulmicort Respules before patent expiration. In June<strong>20</strong>11, <strong>AstraZeneca</strong> filed a patent infringement suit against Watson inthe US District Court for the District of New Jersey.Seroquel (quetiapine fumarate)US regulatory proceedingsIn September <strong>20</strong>11, <strong>AstraZeneca</strong> filed a Citizen Petition with the FDAin respect of Seroquel requesting the FDA withhold approval of anygeneric quetiapine drug product which omits from its labelling certainhyperglycemia <strong>and</strong> suicidality warning language that the FDA required<strong>AstraZeneca</strong> to include in the Seroquel labelling. The FDA is requiredto issue a decision by 7 March <strong>20</strong>12.Patent/regulatory proceedings outside the US<strong>AstraZeneca</strong> is engaged in proceedings in Portugal regarding Seroquelrelated patents <strong>and</strong>/or regulatory exclusivity for Seroquel.Seroquel XR (quetiapine fumarate)US patent litigation/regulatory proceedings<strong>AstraZeneca</strong>’s several patent infringement actions proceeded in theUS District Court for the District of New Jersey against various genericdrug manufacturers who have filed ANDAs seeking approval to marketgeneric copies of Seroquel XR tablets prior to the expiration of<strong>AstraZeneca</strong>’s product patent covering Seroquel XR.In May <strong>20</strong>11, the US District Court for the District of New Jerseyentered a consent order dismissing the pending patent infringementcase against Biovail Laboratories International SRL.In September <strong>20</strong>11, <strong>AstraZeneca</strong> settled its patent infringement actionagainst H<strong>and</strong>a Pharmaceuticals, LLC (H<strong>and</strong>a) by granting H<strong>and</strong>aa licence to the Seroquel XR product patent, effective 1 November <strong>20</strong>16,or earlier under certain circumstances.Also, in September <strong>20</strong>11, <strong>AstraZeneca</strong> filed a Citizen Petition withthe FDA in respect of Seroquel XR requesting the FDA to withholdapproval of any generic quetiapine drug product which omits from itslabelling certain hyperglycemia <strong>and</strong> suicidality warning language thatthe FDA required <strong>AstraZeneca</strong> to include in the Seroquel XR labelling.The FDA is required to issue a decision by 7 March <strong>20</strong>12.In October <strong>20</strong>11, <strong>AstraZeneca</strong> settled its patent infringement actionagainst Intas Pharmaceutical Ltd. <strong>and</strong> Accord Healthcare Inc.(collectively, Accord) by granting Accord a licence to the Seroquel XRproduct patent, effective 1 November <strong>20</strong>16, or earlier under certaincircumstances.In October <strong>20</strong>11, the US District Court for the District of New Jerseyconducted a trial in the patent infringement actions involving theproduct patent against four of the five remaining defendant genericdrug manufacturers. A decision on claims of infringement <strong>and</strong>invalidity of <strong>AstraZeneca</strong>’s product patent is pending.Patent/regulatory proceedings outside the US<strong>AstraZeneca</strong> is engaged in proceedings in Canada, the Czech Republic,Germany, Hungary, the Netherl<strong>and</strong>s, Portugal, Romania, Spain, Turkey<strong>and</strong> the UK regarding Seroquel XR related patents <strong>and</strong>/or regulatoryexclusivity for Seroquel XR. Trials are scheduled in the first quarter of<strong>20</strong>12 in the Netherl<strong>and</strong>s, Spain <strong>and</strong> the UK.Synagis (palivizumab)US patent litigationIn December <strong>20</strong>08, MedImmune initiated patent litigation againstPDL BioPharma, Inc. (PDL) in the US District Court for the NorthernDistrict of California. MedImmune sought a declaratory judgment thatthe Queen patents owned by PDL are invalid <strong>and</strong>/or not infringedby Synagis <strong>and</strong>/or motavizumab, <strong>and</strong> that no further royalties areowed under a patent licence MedImmune <strong>and</strong> PDL signed in 1997.The matter was settled in February <strong>20</strong>11. This resulted in the recognitionof $131m credit to operating profit in <strong>20</strong>11.Symbicort (budesonide/formoterol)US patent litigationIn December <strong>20</strong>11, a complaint alleging patent infringement was filedagainst <strong>AstraZeneca</strong> in the US District Court for the Eastern District ofTexas by Accuhale LLC (Accuhale). Accuhale is purportedly the ownerof US patent no. 5,718,355, which Accuhale alleges is infringed by salesof Symbicort. <strong>AstraZeneca</strong> is evaluating the complaint.Patent litigation outside the US<strong>AstraZeneca</strong> is engaged in proceedings related to the validity <strong>and</strong>/orinfringement of <strong>AstraZeneca</strong>’s patents covering Symbicort in Turkey.Vimovo (fixed dose combination of naproxen<strong>and</strong> esomeprazole)US patent litigationIn <strong>20</strong>11, <strong>AstraZeneca</strong> <strong>and</strong> Pozen commenced patent infringementactions in the US District Court for the District of New Jersey againstthree ANDA challengers seeking approval to market generic copiesof Vimovo prior to expiry of seven patents listed in the Orange Bookincluding the patent in-licensed from Pozen.186 Financial Statements<strong>AstraZeneca</strong> <strong>Annual</strong> <strong>Report</strong> <strong>and</strong> <strong>Form</strong> <strong>20</strong>-F <strong>Information</strong> <strong>20</strong>11

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