At the beginning of the year 2000, Rational Software acquired ObjecTime Limited.

In 2003, Rational Software was acquired by IBM, which elected to adopt the products.

Rational Software, up 140 percent, is another long-term growth story, he said.

That firm merged with Rational Software, which was purchased by IBM in 2003.

In 2003 he moved to IBM, after its acquisition of Rational Software.

Rational Software continues to refine the user interface of ClearQuest, making gradual and steady progress.

And Rational Software, which cut financial forecasts, rose 50 cents, to $14.44.

The company was acquired by Rational Software in 1997.

It was developed by Booch while at Rational Software.

Rational Software - Software development and application lifecycle management.