"The screenplay is being written right now by Mark Protosevich. I’m hoping that will come out in the next couple of years. We have a good story. We have a better story for IV than we had for III," contactmusic.com quoted the 64-year-old as saying.
Based on the best-selling Michael Crichton novel, "Jurassic Park" was a cult in itself and went on to gross $350 million in the US when released in 1993.
Starring Sam Neill and Jeff Goldblum, the movie spawned two sequels.