Please contact Richard Greenbaum if you have any questions about your trademark situation.
Your business can use the ™ symbol whenever it wishes to claim a trademark. You do not need to file any paperwork to receive permission to use the ™ symbol. Use of the ™ symbol can put your competition on notice that your business considers a mark to be your trademark.
Source and Additional Information on Trademarks: http://howconceptual.com/tm-symbol/