Display Screen or Portion Thereof with Graphical User Interface

This design patent application cross-references US Design Patent Application No. 29/662,088 filed Aug. 31, 2018, all content of which is herein incorporated by reference in its entirety.

FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing our new design according to a first embodiment;

FIG. 2 is a front view of a display screen or portion thereof with graphical user interface showing our new design according to a second embodiment;

FIG. 3 is a front view of a display screen or portion thereof with graphical user interface showing our new design according to a third embodiment;

FIG. 4 is a front view of a display screen or portion thereof with graphical user interface showing our new design according to a fourth embodiment;

FIG. 5 is a front view of a display screen or portion thereof with graphical user interface showing our new design according to a fifth embodiment; and,

FIG. 6 is a front view of a display screen or portion thereof with graphical user interface showing our new design according to a sixth embodiment.

The dashed broken line perimeter in the figures illustrates a display screen or portion thereof and forms no part of the claimed design. The remaining dashed broken lines in the figures illustrate portions of the graphical user interface that form no part of the claimed design.