I need advice concerning someone harassing me, including defamation & libel.

There clearly is something you are not revealing -- it is very expensive to sue someone even if you prevail -- there is emotional cost in addition...

Is it possible to commit defamation against an anonymous user whose only identification is an online user name?

It depends. If the user uses the handle on many different accounts or is known by that name (even though the real name is possibly anonymous),...

What is the minimum protection I need for my invention before talking to potential investors about it?

You can use an NDA regarding your invention to discuss it with others. You can hold the information as trade secrets and not disclose them. You...

It depends on the length of the quote and whether the quote alone is capable of copyright protection. In addition, just because someone stated...

Can i sue the mall?

You must read the terms of service of your lease and whether they can restrict the specific goods you sell. Giving us a piece of the lease is not...

What recourse does a consumer have against digital theft of property by the company selling the property?

You are bound by the terms of service which I would guess precludes you from bottling. Your only recourse is to sue them from breach of contract...

Can I sue for deformation.

This is not a site on which to air your private disputes. As to whether you can sue, it depends on what was said, who viewed it and your damages.

I know I can't sell an item I made with a Batman logo on it but can I trade it for a gift card

Any exchange of things of value is enough to subject you to a claim of infringemen

Regarding selling zig zag paper on online

AVVO has a great find a lawyer tool. Use it. Because you do not indicate whether this was a large quantity or any other pertinent information...

Copyright is established once the photos are published and if no one can prove they took them then they are not copyrightable and belong to the...