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ARTICLE · 20 OCTOBER 2021

Improving The Classification Of Email Content: Non-technical

Bardehle Pagenberg
Bardehle Pagenberg
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In this decision, the European Patent Office refused to grant a software patent on an efficient spam filter. Here are the practical takeaways of the decision T 2147/16 of September 7, 2021...

GermanyIntellectual Property

In this decision, the European Patent Office refused to grant a software patent on an efficient spam filter. Here are the practical takeaways of the decision T 2147/16 of September 7, 2021 of Technical Board of Appeal 3.4.03:

Key takeaways

A further technical effect must be proven and specifically and sufficiently documented in the disclosure of the invention.

The invention

The Board in charge summarized the invention of the application underlying the present decision as follows:

2.1 The present invention has as object to provide an efficient spam filter. Spam messages present the inconvenience of "cluttering" the user's email box, such that the user may easily overlook an important message in the flow of numerous spam messages. Spam messages take up a substantial volume of the email traffic. The share of spam includes more than 70% of global mail traffic. The spam messages accumulate in user mail boxes and take memory space and time to clean out (page 1,

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