The Haiyougu trademark is useful. Trademark is one of the important assets of a company and is of great significance to the company's brand image and business development. Haiyougu is a well-known marine biotechnology company, and its trademark is also an important part of its brand image and has certain use value. The use of Haiyougu's trademark can help consumers identify and remember Haiyougu's products and services, strengthen brand image recognition and trust, and improve the company's market competitiveness. In addition, trademarks can also be used as corporate assets for pledge, transfer and other economic activities to provide support for the development of the company.