Intellectual property
Firms often have important "intellectual property", which requires protection against competitors for the company to remain favourable. It could demand patents or copyrights or preservation of trading secrets. The majority of firms has names, emblems and similar methods of the announcement which could benefit by registration as the trade mark.
Patents and copyrights in the United States substantially operate according to the federal law, while trading secrets and registration as the trade mark - mainly a state law question.
Because of the nature of intellectual property business requires protection in each jurisdiction in which they are disturbed by competitors.
It is a lot of countries - subscribed to the international agreements concerning intellectual property, and thus the companies registered in these countries, are subject to the state law connected according to these agreements.