Display Screen or Portion Thereof with Transitional Graphical User Interface

The file of this patent 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.

FIG. 1 is a front view of a display screen or portion thereof with transitional graphical user interface showing a first image in a sequence according to the claimed design;

FIG. 2 is a front view of a second image in the sequence;

FIG. 3 is a front view of a third image in the sequence;

FIG. 4 is a front view of a fourth image in the sequence;

FIG. 5 is a front view of a fifth image in the sequence;

FIG. 6 is a front view of a sixth image in the sequence;

FIG. 7 is a front view of a seventh image in the sequence;

FIG. 8 is a front view of an eighth image in the sequence;

FIG. 9 is a front view of a ninth image in the sequence;

FIG. 10 is a front view of a tenth image in the sequence;

FIG. 11 is a front view of an eleventh image in the sequence;

FIG. 12 is a front view of a twelfth image in the sequence; and,

FIG. 13 is a front view of a thirteenth image in the sequence.

The outermost broken lines showing the display screen or portion thereof form no part of the claimed design. The remaining broken lines showing the graphical user interface form no part of the claimed design.

The appearance of the transitional image sequentially transitions between the images shown in FIG. 1 to FIG. 13 . The process or period in which an image transitions to another image forms no part of the claimed design.