That's too abstract." In the Bilski case, the court said patent examiners could consider what is known as the machine-or-transformation test.

VOA: special.2010.07.16

In its ruling, the court decided against the patent only because the idea was too abstract.

VOA: special.2010.07.16

In the nineteen fifties, the abstract expressionist style became very popular.

VOA: special.2011.03.13