Data from third quarter reveals trends as DLA Piper survey catches the mood.

US-based law firm DLA Piper said its survey of technology company executives showed the lack of venture capital-backed company flotations meant the industry was "permanently altered" as data showed the state of independent and corporate venturing firms in the industry.

Nearly 72% of respondents said an initial public offering (IPO) of a portfolio company was no longer the optimal exit strategy and so more than 59% of them said the traditional venture capital model had been "permanently altered" and would…