new delhi indiabulls real estate is entangled in a bitter legal dispute over the use of trademark central park for a set of residential realty projects in the country said two persons familiar with the development gurgaonbased sweta estates has sued the publiclisted firm at the delhi high court hc alleging trademark infringement last month this relates to indiabulls projects under the indiabulls real estate central park brandname in cities like hyderabad indore madurai and ahmedabad that are up for completion by december 2011neeraj dhawan chief financial officer of sweta estates said most of its customers are nris who may get confused and this may result in revenue loss for the company we have built this brand over the past ten years somebody else using it may cause us huge loss he said indiabulls real estate spokesman declined comment as the matter is subjudicein its court filing sweta estates has said it owns and operates the central park brandname as it got the mark registered in 2005 said a lawyer with knowledge of the development requesting anonymitythe first hearing of the case took place on november 1 following which indiabulls filed a reply on monday arguing that central park is a generic term and less of a trademark or a logo said another person privy to the development moreover since they have used the name central park along with indiabulls the view is that there is no question of similarity he saidthis is one of the few trademark cases filed in the real estate sector in the country a delhibased lawyer who specialises in intellectual property cases said the case is significant for sweta estates as they operate only under central park brandname unlike other builders who use various brands sweta estates runs both commercial and residential projects under the central park brandnamesweta estates has also raised objection to another residential project coming up in gurgaon under the indiabulls centrum park brandname it has said there is deceptive similarity between centrum park and central park