Display screen or portion thereof with transitional graphical user interface

Description

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

FIG. 2 is second image thereof;

FIG. 3 is third image thereof;

FIG. 4 is a front view of the first image in a sequence of a display screen or portion thereof with transitional graphical user interface showing the claimed design according to a second embodiment;

FIG. 5 is second image thereof;

FIG. 6 is third image thereof;

FIG. 7 is a front view of the first image in a sequence of a display screen or portion thereof with transitional graphical user interface showing the claimed design according to a third embodiment;

FIG. 8 is second image thereof; and,

FIG. 9 is third image thereof.

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 transitional graphical user interface that form no part of the claimed design.

The appearance of the animated image sequentially transitions between the images shown in FIGS. 1-3, 4-6, and 7-9, respectively. The process or period in which one 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.