Display screen or portion thereof with transitional graphical user interface

Abstract

Claims

The ornamental design for a display screen or portion thereof with transitional graphical user interface as shown and described.

Description

(1) FIG. 1 shows: Front view of a first image of a display screen or portion thereof with graphical user interface; and,

(2) FIG. 2 shows: Front view of a second image thereof.

(3) The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1 and 2. The process of period in which one image transitions to another form no part of the claimed design.

(4) The remaining broken lines illustrate portions of the transitional graphical user interface and form no part of the claimed design.