The battle was joined last year when the commission launched a probe into alleged discriminatory licensing practices for Microsoft's Windows operating system.

ECONOMIST: Microsoft and the EU

Last spring the NABP developed the Verified Internet Pharmacy Practice Sites program to certify Internet pharmacy practices through additional licensing and inspection criteria.

FORBES: Drug wars

An unfavorable ruling could include monetary damages or an injunction prohibiting Intel from manufacturing or selling one or more products, precluding particular business practices, impacting Intel's ability to design its products, or requiring other remedies such as compulsory licensing of intellectual property.

ENGADGET: Intel posts Q4 2012 earnings: $2.5 billion in profit on $13.5 billion in revenue