Legal analysis: Whether the ancestral secret recipe can be patented depends on whether the secret recipe belongs to the object protected by the patent law. China's patent law protects inventions, utility models and designs. Invention refers to a new technical scheme proposed for a product, method or its improvement. Utility model refers to a new practical technical scheme for the shape, structure or combination of products. Appearance design refers to a new design with aesthetic feeling and suitable for industrial application based on the shape, pattern or combination of products and the combination of colors, shapes and patterns. To apply for a patent, you can hire a patent agency to write the patent application documents, and submit the application documents to the patent administration department of the State Council, and after examination and approval by the patent administration department of the State Council, you can obtain the patent right.
Legal basis: Article 3 of the Patent Law of People's Republic of China (PRC), the State Council Patent Administration Department is responsible for the management of patent work throughout the country; Accept and examine patent applications in a unified manner and grant patent rights according to law.