Microsoft, along with HTC, Nokia, as well as Sony Ericsson have together filed certain formal applications for the purpose of declaring an invalidity against Apple trying to trademark "App Store" and "Appstore" with the European situated Community Trade Mark office.

The above mentioned companies have got together with Amazon, which had also filed a likewise complaint in Europe against Apple trying of the same back in the middle of last month. All these companies are striving to prevent the grant being given to Apple of the trademark, justifying that both the phrases were much too generic.

According to a Microsoft representative, the filings lodged by HTC, Nokia, Sony Ericsson, and Microsoft today, just like Amazon's not much old one, shows the magnitude of opposition to Apple's unsupportable claim of exclusiveness.

He added that 'App store,' just like the term 'toy store' or 'book store,' was a generic term which should resume being available for usage by every store that sells apps.

The latest claims in particular call out Apple CEO Steve Jobs for addressing rival applications markets on one other phone platform, in particular Google's Android, as "App Stores."