You ask a good question. I'm guessing suing in small claims might be helpful

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Hmmmmm. Nice question but it needs further explanation. It's gonna be a tough one!

Well................................................where is the appreciation, if you get my drift?

Call a local...........................................business lawyer that has been in practice a long time.

This sounds a little.....................................off? Maybe neither party knows what the story is. So, call a local lawer RC 5321,04...

Look at your written agreement................

Very little. Nothing that has to do with function. Design only

No way can you effectively sue. .......................

There still is a first sale doctrine and as far as I see given your facts you are being bullied. If more happens see an attorney. If nothing,...

What are you asking? If you use the property of another to make money is it ok? It is not