Walker Digital Files 15 Patent Suits Against Tech Firms

Walker Digital, a research and development laboratory for technology patents, filed 15 lawsuits against more than 100 companies including Apple, Microsoft, eBay, Amazon and Google for unauthorized use of its intellectual property rights. Walker Digital, a Stamford, Connecticut-based company that includes Priceline.com founder Jay S. Walker as its chairman, filed the lawsuits in a Delaware court alleging that some of the biggest names in technology are using inventions created and owned by Walker Digital.