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 the claimed design for a display screen or portion thereof with graphical user interface; and,

FIG. 2 is an enlarged front view thereof, wherein some unclaimed subject matter is omitted.

The uneven-length broken lines depict boundaries of the claimed design and form no part thereof. The outermost rectangle of even-length broken lines depicts the display screen or portion thereof with graphical user interface and forms no part of the claimed design. The remaining broken lines illustrate portions of the graphical user interface that form no part of the claimed design.