You invent for Firm-A. You leave before Firm-B purchases Firm-A. Are your inventor's rights automatically assigned to Firm-B?

Canadian patent and corporate attorneys can provide you with more detail. But I think that in Canada, employers "automatically" have the right to...

If I hire a patent lawyer via the internet our communication is through a third party, The Web Server. How is that confidential?

I'm in agreement with the others. But if you are worried about keeping your communications confidential from those who might illegally gain access...

This forum gives me the opinions of many patent attorneys. Is it illegal for me to engage more than one attorney for my case?

First, I would not classify the responses you receive on this forum as opinions, and certainly not official legal advice. You should not rely on...

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How much do legal fees for a patent typically cost?

In addition to the other really good responses you have received, and taking the answer beyond what you asked, the initial preparation / filing...

Can I copyright an idea first and then patent it once I get a prototype for it?

As the others have said, you do not copyright ideas, you patent them... and you do need to seek legal advice soon to explain this in more...

I am one of the inventor of a patent while I was working for company X. I left company X 6 years ago and the patent was issued

Requesting reasonable compensation should not be a surprise to the company. I would suggest that when you get a request from them you reply with a...

This may not apply to your products, but is something to ask your IP attorney. Depending on the types of designs and your products, you might...

Are provisional patents bad?

The short answer is that, if done properly (important), a provisional application is not "bad" and can provide initial protection for your idea...

Do I need a patent attorney?

Yes, seek out the advice of your own attorney, and a patent attorney be able to provide insights that a general practitioner may not; like an...

Is an invention assignment clause that seemingly covers "all" ideas and inventions, likely to be enforceable in Massachussetts?

You should seek advice from an attorney familiar with the ins and outs of prospective IP assignments, as with new-employee invention assignment...