Official authorities 

NL Patent Office
The NL Patent Office is the patent-granting authority in the Netherlands. In addition to obtaining background information about the patent system in the Netherlands, one may consult the Patent Register containing all data of patents and patent applications (including status data) published in the Netherlands.

European Patent Office
Website in English, French and German. Much information about the granting of European patents.

World Intellectual Property Organisation (WIPO)
Contains interesting information about international patent applications (PCT) and international trademarks.

US Patent and Trademark Office
Contains much information about US IP law and literature searches.

European Trade Marks Office (OHIM)
Website of the European Trade Marks Office.

Benelux Trade Marks Office
The official authority for registering trademarks in the Benelux. 

IP legislation 

(EU) Internal Market Directorate-General
Information on IP legislation. 

Patent references 

Website of the European Patent Office, storing a very extensive collection of patent publications. 

Rubicon Personal IP
Online platform for IP professionals which, in addition to an interactive manual for IP procedures, also offers a worldwide business network. V.O. patent attorneys regularly post new blogs in the field of IP.

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