Do I have a case for defamation?

You also don't say whether or not the statement they make about you are untrue. If not, then there is no defamation. There might be a breach of...

Online IP Question: How much can a client-side browser-based app modify websites for users?

Actually, while prior responders do not believe there is a quick answer here, I think that in at least some instances you will be committing...

Can I create a business name of a service that is taken by a name of a product?

You would most definitely be liable for trademark infringement, unless the other products are sufficiently distinct from your service so that...

Is an unpublished work only a trade secret if I don't reveal it during an offer for sale?

Prior responses are accurate but probably miss the major point. Trade secret protection applies to inventions and other patentable material, not...

Can a personally taken photograph of an autographed sports card posted on a personal blog have copyright protection?

You likely were committing copyright infringement by photographing and posting the image of the card in the first place. This would likely negate...

I’m making a short film for the New Orleans film festival. How should I go about getting my film copyrighted?

The creative elements of your work are, in fact, copyrighted from the moment they are fixed in a tangible medium, i.e. as soon as they are...

Can software engineers who automate the acceptance of a end user license agreement be sued?

It sounds like you are being asked to create something which can be used either legally or illegally. As long as there are legitimate uses, you as...

If you are duplicating something which is recognizably unique to a specific product you are very likely to be infringing upon that product's...

Can I publish as open source a software framework I began writing last summer but am now updating as an employee for a company?

Prior responses are accurate. In addition, one would have to review state statute regarding ownership of such work. In many states, unless there...

Can I still go foward with a law suit

In order to determine what rights you have, one would have to review hour employment agreement, if any. You should also realize that typically...