Trademark issues may take on a higher profile, fueled by the escalating value of brands in general and trademark holders increasingly trying to assert their rights, especially on the Internet.

In a tale of sales success breeding resentment, computer firms are worried the new breed of computers’ low price could threaten already thin profit margins.

I.B.M. is entering the market for Internet-focused data centers with computer systems designed to reduce power consumption sharply and take up less floor space.