Patent Publication Number: US-D689082-S

Title: 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 showing my new design in a first appearance state; 
         FIG. 2  is a front view of the design of  FIG. 1  in a second appearance state; 
         FIG. 3  is a front view of the design of  FIG. 1  in a first appearance state, shown with additional unclaimed elements to further illustrate environmental structure; and, 
         FIG. 4  is a front view of the design of  FIG. 1  in a second appearance state, shown with additional unclaimed elements to further illustrate environmental structure. 
       The appearance of the transitional image sequentially transitions between the images shown in  FIGS. 1-2  and  FIGS. 3-4 . The process or period in which one image transitions to another image forms no part of the claimed design. 
       The broken lines showing a display screen or portion thereof, text, and other elements are for the purpose of illustrating environmental structure and form no part of the claimed design.