It's usually a good idea to register with the USPTO's Principal Register. The Principal Register offers the most protection to trademark owners, including a presumption that the trademark is valid, that the registrant owns the mark, and that the registrant has the sole right to use the mark. However, in order to be registered on the Principal Register, your mark must meet specific criteria, so conduct your research or contact a lawyer before applying.
If you are planning to file an online trademark registration . complaint, then it is best that you evaluate all your options and guidelines that you need to meet. It is imperative that you understand the importance of complete knowledge before you actually hire someone to file a report for you. From our experience, it is always beneficial to hire someone to ensure that you know each and everything while filing your best online trademark registration so that in future you don’t face any trouble.