What are my options if someone else is using my trademark without my permission?

If someone is using your trademark without your permission, you have a few options available to you.

1. Cease and desist letter:

   One option is to send a letter to the person or company using your trademark without your permission, demanding that they immediately stop using your trademark. This letter should include evidence of your ownership of the trademark and a clear statement of the infringing activities. You may also threaten legal action if they do not comply. This letter can often be effective in stopping the unauthorized use of your trademark without having to go to court.

2. File a trademark infringement lawsuit:

   If the cease and desist letter does not work or if the infringement is particularly egregious, you may need to file a lawsuit to protect your trademark. To be successful in a trademark infringement lawsuit, you will need to show that you own the trademark, that the other party is using it without your permission, and that the use is causing confusion among consumers. You may be able to recover damages or stop the infringing use through injunctive relief.

3. Use alternative dispute resolution:

   In some cases, it may be possible to resolve a trademark dispute through mediation or arbitration. These methods of dispute resolution can be less expensive and time-consuming than going to court and can often lead to a mutually agreeable solution.

It is important to note that there may be limitations or exceptions to these options depending on the specific facts of your case. For example, if the other party is using a similar trademark in a non-competing industry, you may not have a strong case for trademark infringement. It is always a good idea to consult with an experienced intellectual property attorney to discuss your options and develop a strategy to protect your trademark.