By Maria Ward-Brennan Tech giant IBM is kicking off its legal battle against Swiss software company Lzlabs in the English High Court today over allegations of reverse-engineering. IBM believes that since 2013 when it licensed its mainframe software to Lzlabs subsidiary Winsopia, the defendant reverse-engineered the IBM system to create its own product. IBM UK, a subsidiary of its US parent company IBM Corp, alleges that Lzlabs software enables customers to take applications developed for IBM mainframe computers and run them without the need for source code change. Zurich-headquartered Lzlabs d…