Catering trademarks can be divided into the following types:

1. Graphic trademarks-This kind of trademark usually consists of graphics or patterns, without words or letters. For example, a pattern with a unique restaurant logo can be a graphic trademark.

2. Alphabetic trademark-This trademark usually consists of one or more letters and is designed to identify restaurants, such as KFC.

3. word mark-This trademark only contains words, no graphics or symbols. For example, "McDonald's" is a word mark.

4. Combination trademark-This trademark contains a combination of graphics, words or symbols. For example, the company logo should have a unique trademark, including the company name and an image representing the company like an icon.

5. Unrestricted trademark-This trademark can include any identifier that can identify restaurants and businesses, including images, words, letters or numbers, similar to storefront signs or light boxes.