Display Screen or Portion Thereof with Graphical User Interface

The patent file contains at least one drawing executed in color. Copies of this patent with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

The FIGURE is a front view of the claimed design for a display screen or portion thereof with graphical user interface.

The outer evenly-spaced broken line rectangle shows a display screen or portion thereof and forms no part of the claimed design. The unevenly spaced broken lines show the boundaries of the claim and form no part of the claimed design. The gradated green and blue portions shown within the boundary lines form part of the claimed design. Portions of the display screen shown within evenly-spaced and unevenly spaced broken lines form no part of the claimed design.