Do I need permission from Marvel, DC, or other artists to hang their art up on the walls in my coffeehouse?

What you propose is lawful use of posters and pictures that you purchased. As long as the artwork is authorized and licensed, then you should be...

Is It illegal to copy off a website and add the content to my website and linking the original site?

It may be, depending on what you copy. Basically hyperlinking is legal. What may be actionable is copying copyrighted subject matter into your...

Is it fair use to make a checklist app for a toy collectible?

Fist, fair use is only a defense, it is not a bar to suit for Copyright infringement. So whether there is fair use or not, you can still be sued...

Based on the information provided, it appears that your trademark rights have been abandoned, due to non-use. If you were intending to re-use the...

The answer is that the performers have the copyright in the theatrical performance, the videographer has a copyright in the audio visual work. ...

Can I find here a very serious and experienced lawyer in intellectual property infringement please?

There are many experienced patent litigators that are listed on Avvo. You can use find a lawyer function and contact an attorney or firm that you...

I'm looking to make an advert impersonating a very famous celebrity. Is this legal?

Impersonations are generally permitted. But you need to be carful not to violate the Celebrit's right of publicity. Seek advice of IP counsel to...

Can I sell an iOS app on iTunes that has content that were indexed from the Web (online articles, writings, blogs, etc)?

No, not unless copyrighted content and Trademarks, are licensed. You need to retain an experienced Trademark/IP attorney to advise you.

Can I sue this company for using my idea with no acknowledgment to me ?

No, you pretty much blew that one. Next time consult an experienced IP attorney before you give your idea away with no written confidentiality...

There are waxless candles made for sale that are done in the same methods giving a similar look and function. If I create a

Concepts like what you are describing are not the subject of copyrights. Such ideas or inventions are protected by patents. You should contact an...