Do I have to continue interacting after I accidentally responded to cease and desist letter?

Respond to them HONESTLY until they have no more questions. Period. Good luck to you.

Can I slightly alter a school logo/seal and use it for a personal use?

You have not described anything personal. You have described making use of a school's intellectual property for a profit. Not sure what circuits...

The best advice you will get is to search and "clear" the name. It’s funny that a lot of clients today do not want to do trademark searches because...

How would you explain infringement laws on products packaged differently then resold??

Part of the reason that makers of personal care products started selling small travel size packages was to stop people from buying things in bulk...

What is the procedure for applying for international trademark, how much does it cost and what is the duration?

As you have heard, there is no "international" trademark unless you are talking about under the Madrid Protocol, and it is certainly not a one stop...

Should I apply for a trademark?

I hope that based upon the responses that you have received that you will contact an experienced trademark lawyer. You could be wasting your money...

Is there any legal recourse to using a competitors name that has since changed and not trademarked?

I hope if nothing else, that posting this question and the responses convinces you NOT to use LegalZoom for trademark work. I have had way too many...

Is it unadvisable to apply for more than one trademark at a time if they contain similarities?

Sure there are reasons it might make sense to file for 2 similar marks. That depends upon the search results and whether both are otherwise...

Lots of good advice here. Most important is that all trademark matters are highly fact specific so it depends upon the foreign word, how well known...

Can attorneys appear by telephone in Trademark Trial and Appeal Board hearings?

Hearing? What specific hearing are you talking about? If you are talking about at the end of the case when briefs are submitted, yes, you either...