This will filter for all Content Items which have the Content Schema "Image Metadata" assigned and for all Content Items which have the Layer "Copyright Information" assigned. 

{
	"kind": "AndFilter",
	"filters": [
		{
			"kind": "TermFilter",
			"field": "contentSchemaId",
			"term": "ImageMetadata"
		},
		{
			"kind": "TermFilter",
			"field": "layerSchemaId",
			"term": "CopyrightInformation"
		}
	]
}
CODE