FIG. 1 is a front perspective view of the high back cat litter pan with hood of the present design.

FIG. 2 is a front elevation view of FIG. 1.

FIG. 3 is a rear elevation view of FIG. 1.

FIG. 4 is a left side elevation view of FIG. 1.

FIG. 5 is a right side elevation view of FIG. 1.

FIG. 6 is a top plan view of FIG. 1.

FIG. 7 is a bottom plan view of FIG. 1.

FIG. 8 is an exploded front perspective view of FIG. 1 showing the hood lifted above the litter pan.

FIG. 9 is an exploded front elevation view of FIG. 8.

FIG. 10 is an exploded rear elevation view of FIG. 8.

FIG. 11 is an exploded left side elevation view of FIG. 8.

FIG. 12 is an exploded right side elevation view of FIG. 8.

FIG. 13 is a top plan view of FIG. 8; and,

FIG. 14 is a bottom plan view of FIG. 8.

The broken lines showing the structural reinforcement ribs on the bottom surface of the cat litter pan and the broken lines showing the handle and vents on the hood form no part of the claimed design.