Hello and thank you for contacting us. This is Dwayne B. and I’m an expert here and looking forward to assisting you today.
You will have to sue in the same county in which the purchase was made.
There is really no need for an attorney because you are limited as to the amount of damages you can recover. You can't sue for what "might have happened" only for what did actually happen. So that means you can sue for your money back and you may even be able to get "treble damages" under the Deceptive Trade Practices Act. However, as you can tell, even if you get your actual damages trebled you're still not talking about much money.
You can call corporate headquarters and you could also report them to the California Department of Public Health. Neither of those will necessarily hurt or help your case.
If you do decide you don't want to do anything yourself then you can certainly hire an attorney and you can sue for your attorney's fees as well. However, you're going to have to pay your attorney up front which will be a significant investment. That would count as an item of damages and you could then ask to treble that amount as well.
If you think you are going to want to use an attorney, pay them, and then try to treble their fees in an award you would probably want to go ahead and hire them now. This is the type of case that you really don't have a reason to wait on and the attorney can do most of the work without you being there. You would have to show up for the final hearing though, whenever it is set and potentially one more time for a deposition although they may not choose to do a deposition.
You can find a lawyer to assist you by going to www.lawyers.com and in the section for Area of Practice enter Civil Litigation or Consumer Law. Either of those will have the skill set you need.
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Of course, please feel free to ask any follow up questions in this thread. I want to be sure that all of your questions are answered.