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11

IANAL (I am not a lawyer), this does not constitute legal advice. (Sidenote: Is it even necessary, i.e. do lawyers actually say this on the internet? Doesn't everyone assume that any advice you receive over the internet is suspect, and you should consult a professional?) Paul Edward Nowak has a great thread on the geek related to many of the common ...


10

No singular registry exists. Nor, particularly, is it needed. Copyright expires after some 20-90 years, depending upon country and current laws. So, anything older than 1920 or so is fair game. (Pun intentional.) But note also, if you simply reprint a work with an expired copyright, you can't copyright it in most jurisdictions. The name, however, is ...


5

0) I am not a lawyer. I am definitely not YOUR lawyer. I don't even play one on TV. 1) go read the circular on Trademark at the USPTO.gov website. 2) Realize that, if you aren't in the US, you need to find the equivalent for wherever you are. Canadian IPO — UK IPO — French IP Agency Directory of Intellectual Property Offices 3) Realize that anywhere you ...


3

There will be very different answers to your questions depending on where you plan to sell your expansion. I think Europe in general is much more restrictive about mentioning trademarks without explicit permission than for example North America. You'll probably want to consult a lawyer before going ahead with this.


2

The artwork and language may be copyrighted so at a minimum you'd have to create your own. What you should do is call them up and see if they are willing to license their product. Some will, some won't. Here's one good link.


1

Welcome to the awful world of copyright, intellectual property, license and patent. First of all, a game is not an invention: you can't patent it. Taking inspiration from another game would be a problem of intellectual property. Intellectual property is a very fragile notion. In fact, in most countries, taking the character of Pikachu, making it blue with ...



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