Posted by Robert, rthurlow@aol.com, on 2/15/02

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I live in the UK and hold a granted US patent.I have just
discovered that a large US company, with whom I have had
contact with in the past regarding licencing,has virtually
copied my patent specs and are marketing the product.They
have, I believe, purposely left out one feature of my
patent, presumably to get round any infringement
problems.In doing this they have made the product less
efficient and have had to state as much in their marketing
literature,and in order to make the whole product work at
all they have had to introduced a principal that dose the
same job as the missing feature.I believe this still makes
them liable to infringement acording to what is
called "Doctrine of Equivalents".Can anyone give me any
advice or has anyone had any experience along these
lines ?.I am a private individual and as I live in the UK
it is hard to know what is the right procedure and how to
start any "ball rolling". Thanks.

Re: HELP with PATENT INFRINGEMENT, 5/01/02, by D. Alexander Floum.

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