I own the US Trademark, to my business name. But another business filed the state trademark first, am I still protected?

You absolutely need to retain a trademark lawyer. The facts you describe are enough to conclude that anything could happen. Partly this may be...

Can an artist of original abstract paintings create wearable merchandise from them?

The question is a little too general. The concern would generally be what's in the painting that might be sculptural or artistic - copyright...

Can a scientific experiment for educating children be subject to copyright?

Technically, no. The experiment itself can't be copyrighted, but the description of the experiment can be copyrighted. In theory someone could...

This is sufficiently serious that the person should get confidential advice from an attorney. The company's interests may be adverse and the...

Identifying it as a "greek pattern circle" indicates that it may not be a particularly strong trademark, if many companies use it in trademarks for...

Can I continue to use a trademarked term in my business if we used it before the trademark was filed and approved?

There may be other complicating factors. First, it is the date of use, that will likely be the determinative fact, not just the filing date. When...

A client comes to me, gives me a design which in fact is a Nike logo. Can I print this on a t-shirt and sell it to him?

It's tough to turn away business, but it will be a lot tougher to defend a lawsuit for trafficking in trademark counterfeits. If you know it's a...

It sounds like practical advice. The patent lawyer probably explained that you have one year from your first offer for sale to file a US patent...

Is it possible to register a trademark like Dr. Collingsworth neither being a doctor nor being named Collingsworth?

Is it possible? Yes. First, though, understand that all trademarks are considered relative to the goods on which they are used. Chances are you...

Is it illegal to use an NBA/NFL logo on a product that I am going to have produced?

Don't use NBA/NFL logos on products without a license.