Display screen or portion thereof with transitional graphical user interface

Description

The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(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 transitional graphical user interface, showing a first image of the new design;

FIG. 2 is a second image thereof;

FIG. 3 is a third image thereof;

FIG. 4 is a fourth image thereof;

FIG. 5 is a front view of a second embodiment of a display screen or portion thereof with transitional graphical user interface, showing a first image of the new design;

FIG. 6 is a second image thereof;

FIG. 7 is a third image thereof; and,

FIG. 8 is a fourth image thereof.

The dot-dash broken lines in the drawings show a display screen or portion thereof and form no part of the claimed design. The remaining broken lines in the drawings, including all text, show portions of the graphical user interface that form no part of the claimed design. The gray areas at the tops of FIGS. 5-8 indicate a contrast in appearance and are part of the claimed design.

The appearance of the transitional image sequentially transitions between the views of FIGS. 1-4 and FIGS. 5-8. The process or period in which an image transitions to another forms no part of the claimed design.

Claims

The ornamental design for a display screen or portion thereof with transitional graphical user interface, as shown and described.