Do I need a national trademark registration?

Software is protected by in the USA by Patents and by Copyright laws. With few exceptions, Internationally software is protected by Copyright...

Territory for internet?

Yes you can. As the trademark owner you may prevent others from using your trademark in a website. There are exceptions, such as to inform about...

Most likely your logo may result in confusion and thus trademark dilution can be argue. Using similar colors adds to the potential...

Domain names containing Twitter word

The word twitter has a separate meaning, and prior meaning, before it became such a popular program. There is a question of judgment as to...

How can I protect my nonprofit social organization's name if I do NOT classify as doing business "in trade or commerce?"

You are mixing concepts. Not for profit is a creature of the IRS and has nothing to do with commerce, only taxes. Your club is a business, and...

People on work VISA status violating registered trademarks in Mexico and United States

You can sue for trademark infringement in Mexico and the USA. Also you can register with US Customs to seize any records or material protected by...

Check your state registry of corporate/business names. If it is available, the you can, otherwise you cannot.

Is a .com domain name registered in Nov 2004 liable to a trademark lodged in 2005? Will I lose my business over this?

From what you say you do not seem to be cybersquatting. Trademarks do not give you automatic right in the domain world, and definitely...

Can I show (on my website) logos and names of Companies whose employees use my web-based software?

No, you cannot. You can list the name of the company, but cannot use their trademark without their express permission.

What legal documents must be signed between a business and their distributor in order to protect the business?

You need a distribution agreement that, in addition to specific business terms, has specific terms to handle any intellectual property (patents,...