Netbook is a trademark - allegedly threaten Abmahnwelle.

All the world is called small cheap laptops Netbook. That could soon change - the concept in 1998 has the firm Psion as a trademark protected. Now, a law firm on behalf Psions omission of statements Netbook forums have sent.
  Anyone who blogs WISSEN after a definition of Netbook will find the previously common statement: "cheap and simple-equipped laptops. This Subnotebooks with their 7 - to 10-inch displays small and light."

The computers were pragmatists 2008 the success of the product itself - alone in third quarter sales to manufacturers worldwide, according to Display Search from 5.61 million copies - more than twice as many as in previous quarter. 2012, 50 million Netbooks in operation, predicts market research firm Gartner.
But could it be that these pragmatists laptops then not so hot. The mobile technology blog jkontherun.com reported that some Web pages that contain the term Netbook in name, omission of the London law firm calls "Origin Intellectual Property Consulting" would have received. In the scan of jkontherun.com published the alleged letter says: "We have recently noticed that the term Netbook Psions without permission to use."
The to 23 Letter dated December are the side operators by the end of March, their bid to rename. Within a month they should in the matter. Further steps threatens the letter does not indicate but stressed: "Psion attaches great importance to its trademarks, and your use of the term Netbook such applications could be damaged. Similar letters will be sent to others, the registered number by mistake Wait abuse."
Requests from blogs ONLINE after the authenticity of this letter at 26.12. neither the firm nor the Psion agencies in Britain and Germany answered. It is therefore not sure that this letter is genuine. This seems plausible, however, perfectly: The Psion headquarters based in London, the firm and the Origin of Psion active lawyer Peter Langley are in session programs Trademark mentioned.
Above all, Psion actually owns the trademark on the term Netbook. A search in the database of the European Patent and Trademark Office confirmed that Psion on 9 December 1996 the rights to the word mark "Netbook" and sought on 30 July 1998 has received.
Until the expiry of the trade marks the end of 2016 may be used exclusively in the London-based firm Psion Plc. According to the registration of 428,250 computers, electronic equipment and instruments for processing, storage, display or movement of data "in" lists of goods and services "as described Netbook. Even in the United States has Psion since November 2000, the trademark "Netbook" (Registration 75215401).
A Netbook Psion has actually sold once - in 2000, in Hall 13 of Cebit, the Psion could "netBook see: It was 1.1 kilos, had 64 megabytes memory and a color screen with 7.7 inch diagonal.
A real Netbook also.