Taiwanese smartphone maker HTC Corp. said it believes it has a strong case for an appeal of a U.S. International Trade Commission ruling that HTC violated two Apple Inc. patents.

HTC said it does not yet have the full ruling and analysis to determine the details of the findings, but General Counsel Grace Lei said, “We are highly confident we have a strong case for the ITC appeals process and are fully prepared to defend ourselves using all means possible,” in a release dated Saturday.

HTC makes the HTC Incredible and other smartphones that run Android software from Google Inc.

Its latest phone, which features social media capabilities and is called unofficially the Facebook phone, is being sold by AT&T wireless as of Monday, according to the website SlashGear.

The company recently opened a research and development center at the American Tobacco Historic District in Durham, N.C.

Apple representatives could not be immediately reached for comment. The case has not been updated on the International Trade Commission website since May.

The dispute goes back to March 2010, when Apple alleged that HTC had violated a number of its patents related to the manufacture of the iPhone.

HTC said the judge ruled that two of the 10 patents in question were violated.

Apple sold 18.65 million iPhones in the first three months of this year alone. It is due to report its latest quarterly results on Tuesday after the market closes. Analysts are expecting sales of about 17 million iPhones for the most recent period.

In April, HTC it reported selling 9.7 million Android-based phones in the first quarter.

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