Display screen or portion thereof with transitional graphical user interface

Abstract

Description

1. Display screen or portion thereof with transitional graphical user interface

1.1: Front

1.2: Front

1.3: Front

1.4: Front

The ornamental design for a display screen or portion thereof with transitional graphical user interface, as shown and described; The outer perimeter shown in broken line in the drawings illustrates a display screen or portion thereof and forms no part of the claimed design; The remaining broken lines in the drawings illustrate portions of the graphical user interface that form no part of the claimed design; FIG. 1is the image in a sequence for a display screen or portion thereof with transitional graphical user interface showing our new design; FIG. 2is the second image thereof; FIG. 3is the third image thereof; and, FIG. 4is the fourth image thereof; The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-4; The process or period in which one image transitions to another image 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.