There are certain restrictions on the use of punctuation marks in trademark registration, and specific regulations may vary from country to country or region. The following are some general principles:

1. Registrability of punctuation marks:

Some punctuation marks are allowed in trademark registration, such as comma (,), period ( .), exclamation point (!), etc. These punctuation marks are usually considered part of the trademark text and can be combined with other letters or numbers for registration.

2. Restrictions on special punctuation marks:

Certain special punctuation marks may be restricted because they may cause confusion or ambiguity in the trademark. For example, question marks (?), colons (:), semicolons (;), etc. may be restricted in trademark registration.

3. Legality and legibility of punctuation marks:

Trademark registration agencies usually review trademarks to ensure that the trademark is legal and legible. Punctuation marks are usually registrable if they have a unique form or character in the mark and are distinguishable from other marks.

It should be noted that the specific requirements and regulations for trademark registration may vary from country to country or region. When registering a trademark, it is recommended that you refer to the local trademark regulations and the requirements of the trademark registration agency, or consult a professional trademark agency or lawyer for accurate guidance and advice.

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