A disclaimer is a denial or renunciation of something. A disclaimer may be the act of a party by which be refuses to accept of an estate which has been conveyed to him. Disclaimer may apply to a denial of responsibility for another's claim, such as an insurance company's refusal to admit coverage under an insurance policy. A disclaimer may be a statement of non-responsibility, such as to a product warranty or to limit confusion with a competing product to avoid unfair competition or trademark infringement.