Display screen or portion thereof with transitional graphical user interface

Description

The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application with color drawings(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 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; and,

FIG. 6 is a sixth image thereof.

The appearance of the display screen or portion thereof with transitional graphical user interface sequentially transitions between the images shown in FIGS. 1-6.

The process or period in which one image transitions to another forms no part of the claimed design.

The broken line perimeter shown in FIGS. 1-6 is included for the purpose of showing a display screen or portion thereof and forms no part of the claimed design.

The broken line text, and other elements shown in broken line in FIGS. 1-6, 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.