Display screen or portion thereof with graphical user interface

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

FIG. 1 is a front view of a first embodiment of a display screen or portion thereof with graphical user interface, according to the claimed design, shown in color;

FIG. 2 is a front view of a second embodiment thereof, shown in color;

FIG. 3 is a front view of a third embodiment thereof, shown in grayscale; and,

FIG. 4 is a front view of a fourth embodiment thereof, shown in grayscale.

The gradient background of the graphical user interface is claimed subject matter.

The longer-length broken-line showing of a display screen and the intermediate-length broken-line showing of a display screen boundary, are included for the purpose of illustrating environmental structure and form no part of the claimed design. The remaining broken lines represent elements of the graphical user interface and form no part of the claimed design.