Display screen or portion thereof with an animated graphical user interface

A portion of the disclosure of this patent document contains material which is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever.

FIG. 1 is a front view of a display screen or portion thereof with an animated graphical user interface, showing a first image in the sequence of our new design according to a first embodiment;

FIG. 2 is a second image thereof;

FIG. 3 is a front view of a display screen or portion thereof with an animated graphical user interface showing a first image in the sequence of our new design according to a second embodiment; and,

FIG. 4 is a second image thereof.

The outer broken line rectangle showing the display screen or portion thereof with an animated graphical user interface, and all other broken lines showing portions of the graphical user interface, illustrate portions of the article and form no part of the claimed design.

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.