Display screen or portion thereof with transitional graphical user interface

Description

FIG. 1 is a front view of a display screen or portion thereof with transitional graphical user interface and showing a first image of the claimed design;

FIG. 2 is a second image thereof;

FIG. 3 is a supplemental view of FIG. 1, shown with broken lines depicting portions of the transitional graphical user interface removed for clarity in illustrating the claimed subject matter; and,

FIG. 4 is a supplemental view of FIG. 2, shown with broken lines depicting portions of the transitional graphical user interface removed, except for lined-through areas showing unclaimed portions of the transitional graphical user interface, for clarity in illustrating the claimed subject matter.

The dot-dash broken lines in the drawings show a display screen or portion thereof and form no part of the claimed design. The remaining broken lines in the drawings, including the evenly spaced broken lines showing an electronic device and the lined-through text, graphics, and other elements of the transitional graphical user interface, form no part of the claimed design.

The appearance of the transitional image sequentially transitions between the views shown in FIGS. 1-2. The process or period in which an image transitions to another 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.