Re: USPTO Patent Application Search

From: Alan Engel (aengel@paterra.com)
Date: Tue Feb 12 2002 - 18:26:25 GMT

You might want to count the number of characters in the
examples in the posts.

Larry.Larson@uspto.gov wrote:

> Both the patent grant and published patent application databases require at
> least three characters before right truncation in the ICL field.
>
> Regards,
> Larry Larson, USPTO
>
>
>
>
>>-----Original Message-----
>>From: Thierry.Depireux@solvay.com [mailto:Thierry.Depireux@solvay.com]
>>Sent: Tuesday, February 12, 2002 9:08 AM
>>To: senthil8@hotmail.com
>>Cc: piug-l@derwent.co.uk
>>Subject: RE: USPTO Patent Application Search
>>
>>
>>I have already observed that truncation in the ICL field
>>doesn't work when
>>the "root" of the search term is too short: e.g.: C07C3$ or
>>c07C313/1$ are
>>OK, but C07$ or even C07C$ do not work. (I don't remember if
>>the same is
>>true for the granted patent database).
>>
>>Best regards,
>>
>> Thierry DEPIREUX
>>
>> SOLVAY S.A.
>> Intellectual Assets Management
>> Technical Information, Operating Manager
>> e-mail: thierry.depireux@solvay.com
>>
>>
>>
>>>-----Original Message-----
>>>From: K.Senthil Kumar [SMTP:senthil8@hotmail.com]
>>>Sent: Tuesday, February 12, 2002 1:43 PM
>>>To: piug-l@derwent.co.uk
>>>Subject: USPTO Patent Application Search
>>>
>>>When I did a search for pd/20020131 and icl/C07$ in the
>>>
>>USPTO's Patent
>>
>>>Application database, I am getting only 2 patents. But for
>>>
>>the same search
>>
>>>in espacenet it gives 135 patents.
>>>
>>>Similarily for pd/20020103 and icl/C07$ it is 12 and 116
>>>
>>respectively.
>>
>>>I would appreciate if somebody can highlight the mistake in my USPTO
>>>search
>>>or is there any limitation in doing a search like this in the USPTO
>>>Application database.
>>>
>>>Regards
>>>
>>>K. Senthilkumar
>>>Scientist-Information Systems
>>>APL Research Centre
>>>Aurobindo Pharma Ltd.
>>>Plot No.2, Maitri Vihar
>>>Ameerpet
>>>Hyderabad-500 038
>>>India
>>>
>>>
>>>_________________________________________________________________
>>>MSN Photos is the easiest way to share and print your photos:
>>>http://photos.msn.com/support/worldwide.aspx
>>>
>>>
>>>
>>>
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