Would it violate any intellectual property law to scan in and make available online a 3D representation of a patented product?

Generally NO, provided the patent is not covered by copyright or design patent. However, the devil is in the details that you did not give us, so...

I have been trying for days to get a site to take down my painting that people have been downloading for free.

You need to file a DMCA takedown notice. You should hire an attorney to do it so the website owner takes notice. If the website is overseas that...

Would it be infringement or unlawful to take 3 existing(Generic versions) drink powders and combine them to make a new drink?

We cannot tell if it would be infringement without knowing the specifics. It is unlikely to be if you buy the powders from legitimate sources, but...

We cannot know the answer without knowing the site, but generally you can go to any site anywhere. If the site has illegal content, such as...

I'm in GA state and planning to sell home cooked food, need to know what should I do wrt licenses, business entity etc

You need to see a business attorney licensed in Georgia. You will likely want an LLC or Corp to minimize liability, which for a food product is...

Can I renew an expired product when the trademark is still being used on the website?

I take it you mean the product is no longer sold by you under that brand name, but the brand name is still on your website. You need to see a...

Can we use the term crossfit at our gym in Mexico, we where sent a letter to stop because its a trade mark, does that hold water

http://tsdr.uspto.gov/#caseNumber=77983536&caseType=SERIAL_NO&searchType=statusSearch http://tsdr.uspto.gov/#caseNumber=77719855&caseType=SERIAL_N...

Is my company name to close to competitors who has been business longer? Neither name is trademark I searched online.

You will need to consult with an IP lawyer. These names are quite close since the only distinctive part is AM and both start with AM. However, AM...

Is it worth suing a jeweler that sold me a ring with synthetic stones when they were advertised as natural? Total 2k.

Not likely worth a lawyer's time. And since from Thailand, you will not have much remedy there and certainly not for $2K. This is the risk of doing...

My friend and I are both considering doing webcam shows that involve us playing with each other sexually is it illegal?

You need to speak with a criminal defense attorney who handles cases in this area. Here is a link to one who handles similar cases...