”On March 12, 2012, Yahoo filed a lawsuit against us alleging that certain of our products infringe their patentsrelated to ‘advertising’, ‘social network’, ‘privacy’, ‘customization’ and ‘message’” informs the Facebook , in documents submitted to the Securities and Exchange Commission.According to the papers, Yahoo has not defined what kind of compensation do they want for the damages. ”This case is still in early stage and the result it is uncertain. If we have an unfavorable outcome, the impact will be substantial in our business, financial condition and operations, “says the social network.Facebook is preparing to defend against the action of Yahoo. According to sources from Bloomberg and Reuters, the company purchased 750 patents from IBM to expand its portfolio and be able to defend against lawsuits . The wave of patents purchased cover a broad spectrum of technology, search tools to semiconductors, according to a source familiar with the matter.

The social network had registered 56 patents and 503 applications until December 31, the company said in a document registered with the Securities and Exchange Commission, regulator of the capital market in the country. With the purchase of IBM’s patents, the number should grow.

On 1 February, Facebook introduced their documents to regulatory agencies to make an initial public offering (the so-called IPO) expects to raise $ 5 billion . The premiere social network in the New York Stock Exchange is scheduled for May, with the symbol FB. The expectation is that the market is the largest IPO for an Internet company, surpassing the nearly $ 2 billion of Google, made ??in August 2004.