From: Patent Tactics, George Brock-Nannestad,
I need to report an update on the project "Audio
Patents". Please refer to my previous report (partly kindly revised by Jay) dated
Revised 2005-05-22 GB-N + jm
Historical patent work is a moving target, and the usual delay in
finishing any report means that my report beginnings and skeleton PowerPoint
presentations have been overtaken
by the changes, in particular, in esp@cenet, so last year's report was never
finished. It is getting easier and easier to obtain this free information,
and I think that my original approach has been superseded. However,
even though the British (United Kingdom, Great Britain, GB)
contribution to the database has been absolutely fabulous, there are
still issues, and I am writing about these. For instance, esp@cenet is
making long searches more difficult, because it deliberately loses the links
to your precise queries when you proceed along the list of results of the
searches. And you need to proceed perhaps 10 pages of 15 results each,
because that is where the oldest material is. Here, the answer is to store
the queries in a separate file where you can quote it.
My conclusion is that the best we can do in the HC is collecting interested
member's comments on
specific patents. This is the added value that cannot be obtained from
the ordinary databases. Please see the last two paragraphs of this report.
I have regarded it as important to describe how to obtain access to early
patents. Patenting was prolific in the US, UK, France, and Germany, and a lot
of this material is retrievable. I attach a
document "Historical Patents in EPO Databases 2009" that I have extracted from a bi-annual publication made
electronically by the European Patent Office (EPO). This document shows the
issue years of patents given access to by esp@cenet. The selection is my
personal one, and I have mainly taken countries where dates back to 1920...30
are included. I have written the EPO and obtained permission for the AESHC to
upload this document on the website.
So-called family information is very difficult to find concerning historical
patents: this means patents for the same invention in several countries. The
best compiled information would be found in historical company archives.
Otherwise this information can only be laboriously collated and tabulated by
reading the individual patent and noting the circumstances under which the
application was written. If it says "Convention Priority", then the date and
any number refers to the first application anywhere. However, that number
will not be the number that the patent that issues is known under in the
first country of application. Again, it is necessary to laboriously collate
the information from this publication, only in this case it is called
"Application Number". Working systematically, a table of patent families may
be built up.
The best subject matter search in an organised fashion is obtained by
entering the subject terms in the Abstracts field and GB in the publication
number field. This is because volumes and volumes of Abridgments of Patents
have been scanned and OCRd along with the images that were in the printed
publications. The correctness of the OCR is good, which you cannot say for
GooglePatents. And you get access to a pdf copy of the British patent. The
date coverage is fabulous.
I should note that in the period since my last report I have had no input
from other AESHC members. Would you consider that some reaction might be
solicited concerning particular early patents if I sent them to you for
uploading and with requests for comments?
If there are any further issues, do not hesitate to contact me.