A German-based, state-owned lender has filed suit in a Manhattan court against Great Britain’s second-largest bank, alleging it sold over $274 million of non-agency MBS under false pretenses.Bayerische Landesbank contends in its lawsuit filed Aug. 3 in New York State Supreme Court that Barclays PLC issued offering materials that contained “material misrepresentations and omissions” regarding the underwriting standards used while issuing the residential MBS.Barclays’ offering materials also allegedly misrepresented...