Display screen or portion thereof with transitional graphical user interface

Description

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

FIG. 2 is the second image in a sequence thereof;

FIG. 3 is the third image in a sequence thereof;

FIG. 4 is the fourth image in a sequence thereof;

FIG. 5 is a fifth image in a sequence thereof;

FIG. 6 is a sixth image in a sequence thereof;

FIG. 7 is a seventh image in a sequence thereof; and,

FIG. 8 is an eighth image in a sequence thereof.

The broken lines in the figures depict portions of the graphical user interface that form no part of the claimed design.

The outermost broken line showing of the display screen or portion thereof is for environmental purposes only and forms no part of the claimed design.

The appearance of the transitional graphical user interface sequentially transitions between the images shown in FIGS. 1 through 8. The process or period in which one image transitions to another forms no part of the claimed design.

Claims

We claim the ornamental design for a display screen or portion thereof with transitional graphical user interface, as shown and described.