In UNIX (X) all windows have a WM_CLASS attribute. KDE groups windows according to this attribute (IIRC). Very old WM's already did this! So I really think there are 2 reasons why this patent should be declared invalid: 1. there exists prior art 2. it is trivial to group windows according to their class.
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In UNIX (X) all windows have a WM_CLASS attribute. KDE groups windows according to this attribute (IIRC). Very old WM's already did this! So I really think there are 2 reasons why this patent should be declared invalid:
1. there exists prior art
2. it is trivial to group windows according to their class.