Can I re-enter the US as tourist in the future if I abandon my Green Card?

Anybody not a citizen should expect issues when trying to enter the USA. You may get troubles in getting a visitors visa or permit. You need to...

My H1B was denied. Would this effect my pending I485 based on EB2?

Probably not. Consult with an immigration attorney. Very important is that you do not fall out of status, or you may be barred from the country

How I can obtain the Article of incorporation for company activated in 2006 ?

Try to find it in the website for the state

What u are proposing is very legal. But you need serious legal advice.

Can I file I 130 based on engagement/ signing wedding contract agreement ?

What is the contract agreement ceremony? Is it a legal document? If so check if it is accepted as a marriage certificate. If not you need to have...

Can my parents travel to the USA with their tourist visa after submitting all documents for green card?

Yes but. All entries to the USA are subject to the discretion of the immigration officer. If the officer feels they will stay due to the green card...

What should i do?

Sue in superior court. Ask for either $ or have the car back.

Your main issue would be the payments and putting all the documents together, IF you have met the residency condition. You file as soon as you...

Does my LLC protect me from someone with a federally registered trademark?

You need an attorney to evaluate your case. You may be somewhat safe if your company does completely different things than his trademark.

As indicated above you should consult with an attorney. A limited scope license to sell his inventory would be appropriate. And in there he...