Inventors Association of Australia’s website has a list of affiliated state inventors associations, as well as many good advice for inventors in Australia:
The Wessex Round Table of Inventors (WRTI) homepage has a lot of useful links related to inventing and inventors. Here you can find a very nice list of regional inventor’s club’s in the United Kingdom, as well as some National Inventors’ Associations around the world.
The UIA of America have collected a state by state list of different local inventors societies and made the list into a downloadable PDF document that you can find here. Just click the image on their webpage and you should see the list in a moment.
The United States Patent and Trademark Office (USPTO) is the federal agency for granting U.S. patents and registering trademarks, but they also maintain a very useful database which lists inventor organizations, patent attorneys and agents, patent and trademark resource center and much more. It is all listed by state, so if you live in the United States, this is the perfect place to find your local state-wide inventor organization!
The Swedish Inventors Society (SUF) has an excellent list of local Inventor societies in Sweden. If you are interested in advice concerning inventions, patents, design protection and branding in Sweden, this is the place to go and find your nearest society: