How to respond to a personal email from a legal department for selling their products on eBay/e-commerce?

We can't really weigh in on this without a proper analysis of your agreement with them and all the facts and circumstances. Before you respond...

I just don't think we know enough about your intentions and objectives to tell you whether this poses a problem. There is a very good chance that...

Any advantages to hiring within the state (Ohio) for a Trademark attorney?, or would any Trademark attorney from any state do?

You are free to hire a lawyer from anywhere and modern legal practice supports more options for clients not the ongoing territorial monopoly of the...

Do I need to change my company name?

There are a lot of things to consider before we could give you actionable advice here. If neither of you have a federal trademark registration then...

You can oppose based on your common law rights, but remember that these rights only apply to the scope of your market penetration and market...

What am I legally able to do with IP?

This is not a question for a free and quite public Q&A platform. We need to know some specifics here that should not be discussed in public....

What are the implications of registering a trademark for a mobile application when an application with the same name exists?

Sure, they may on account of the common law rights they already developed in the mark. You need to have a proper analysis done and a clearance on...

What are the legalities behind selling products that have been posted online as a DIY project?

So long as you are not misrepresenting the source of the product and it was acquired lawfully and does not violate any laws you are free to resell...

Is it legal to publish a book or website with images of current celebrity lookalikes?

You received some good insights here. I think I would really need to better understand exactly what your objectives are before rendering any...

Could I use copyrighted/trademarked logos in a digital graphic design portfolio piece?

Using this kind of material in this way is still commercial use even if it is not itself being sold. It is used to help promote you and your...