Display screen or portion thereof with transitional graphical user interface

Description

FIG. 1 is a front view of a first image in a first embodiment for a display screen or portion thereof with transitional graphical user interface showing our 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 fifth image thereof.

FIG. 6 is a sixth image thereof.

FIG. 7 is a seventh image thereof.

FIG. 8 is an eighth image thereof.

FIG. 9 is a ninth image thereof.

FIG. 10 is a front view of a first image in a second embodiment for a display screen or portion thereof with transitional graphical user interface showing our new design.

FIG. 11 is a second image thereof.

FIG. 12 is a third image thereof.

FIG. 13 is a fourth image thereof.

FIG. 14 is a fifth image thereof.

FIG. 15 is a sixth image thereof.

FIG. 16 is a seventh image thereof.

FIG. 17 is an eighth image thereof; and,

FIG. 18 is a ninth image thereof.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-9, and FIGS. 10-18, respectively. The process or period in which one image transitions to another image forms no part of the claimed design.

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