Display screen or portion thereof with transitional graphical user interface

Description

FIG. 1 is the first image in a sequence for a display screen or portion thereof with transitional graphical user interface showing our new design;

FIG. 2 is the second image thereof;

FIG. 3 is the third image thereof;

FIG. 4 is the fourth image thereof;

FIG. 5 is the fifth image thereof; and,

FIG. 6 is an enlarged view of the portion 6 encircled in FIG. 5.

The outer perimeter shown in evenly-spaced dashed broken line in the figures depicts a display screen or portion thereof and forms no part of the claimed design. The remaining evenly-spaced dashed broken lines in the figures depict portions of the transitional graphical user interface that form no part of the claimed design. The dot-dot-dash broken lines in FIGS. 5 and 6 encircle portions of the claimed design that are shown enlarged in FIG. 6, and form no part of the claimed design.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-5. 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.