Bob Bell (rtbell) wrote:
[...] (for
instance Certicom has a patent on having an ECC public key in an X.509 cert
signed using RSA) [...]
This patent really can not hold water if challenged (if the content's
actually what's described here).
This is what x509 has been designed to allow, also prior art of DSA
public key X.509 cert signed using RSA is obvious, and you can not claim
inventivity by doing exactly the same just with another algorithm, in a
system where algorithm flexibility is built-in.
But you need the patience, the nerves, the time and foremost the money
to challenge it.
It's too bad the American patent system apparently does not have a
systematic public review period (I understand the new system for that
since last year is voluntary, not systematic) like there is in France
with the INPI. However, so few people in France know about the process
for public review of patents that it's not effective at all (Here's a
reference in french about it :
http://www.cncpi.fr/LEX--lexique-O-observations-abecedaire-propriete-industrielle.htm
, also
http://www.inpi.fr/fr/brevets/deposer-un-brevet/les-16-etapes-cles-du-depot.html#c1157)
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