Susanne Birkenstock Smiles As She Presents the Latest Model From Her Shoe Collection at the District Court in Cologne Germany on Thursday 10 February 2005 the Legal Dispute Concerning the Brand Name Birkenstock Has Entered a New Round Christian Birkenstock Business Manager of the Shoe Company Birkenstock Accuses His Separate Living Wife Susanne Birkenstock to Have Infringed Upon the Trade Mark Rights the 33-year-old Woman Founded Her Own Company After the Separation Distributing Since 2003 Her Own Health Sandals Independent From the Original Company Christian Birkenstock Wants to Prevent Her From Using the Family Name For Her Brand of Shoes Germany Cologne