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Invalidation Search – European Classification

By deepaksyal

Many people use class based search, I have also mentioned it as one of the base strategy.

What I would suggest is after you done a thorough search in IPC and US classes you should also go for ECLA – European Classification.

You can search for your relevant ECLAs here

European Classification has been derived from IPC and is narrower than that. So the chances of digging into narrower domain are easier.

Benefit: Increased relevancy
Disadvantage: Search scope limited to European patents

Believe me it would be a beneficial strategy for you…

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This entry was posted on March 4, 2008 at 1:48 pm and is filed under Classes, ECLA, Patent. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “Invalidation Search – European Classification”

  1. funes Says:
    June 9, 2008 at 4:19 pm | Reply

    One comment on that, ECLA is not limited to European patents. The EPO classifies all patent documents. The only difference is EP application “immediately” get an ECLA symbol, while other patents have to wait until the EPO examiner has time to have a look on it.

    Great Blog

    Best regards

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