​The office policy is to accept the class headings of the Nice classification in the following classes: 2, 13, 14, 15, 22, 23, 24, 25, 26, 27, 32, 33, 34.

In all other classes it is highly recommended to avoid listing the class headings in the application, an applicant seeking the registration of his trademark can only do so in relation to the goods/services for which it is used or intended to be used. This is done in order to protect the interest of the general public and to prevent unfair competition caused by granting exclusive rights to a trademark in relation to a wide variety of goods/services which are not and/or will not be utilized. For instance, a mark shall not be registered in relation to "sale services", on the grounds that this terminology is to wide/vague and may include sale services of a wide range of products in several fields.  In this case, the applicant shall be asked to indicate the type or the general field of goods sold. Another example is with regard to registration in relation to medical and pharmaceutical preparations; there the applicant will be requested to indicate the diseases or treatments for which the pharmaceuticals are used, using the term "medications" is considered indefinite and lacking in clarity.

Therefore, it is advised to clearly define the goods/services for which the applicant is seeking registration in relation to, thus saving cost and unnecessary correspondence regarding the list of goods/services. More so, if needed, applicants may contact one of the trademark examiners for consultation on classification issues.