How do you search for existing patents?
Question:
Answer:
The US Patent and Trademark office has actually made this process very easy to perform. Go to:
http://www.uspto.gov/patft/
You will need to search both existing patents and what are called "published applications". Both can be done from the website listed above.
Also, you should take a look at
http://www.legalzoom.com/legalzip/patent...
To see if this website could be helpful in lowering your cost of making the patent application.
Patent applications are both expensive and lengthy both timewise and documentation-wise. Typically, a decent patent lawyer will charge you between $8k and $20k to take a single application thru the entier process which generally takes 2 years and longer.
After you submit your invention, the patent office will do the research , you have to be five points difference than the equivalent device, before yours is accepted, but brother does that cost
http://www.uspto.gov/main/patents.htm... or http://www.intellectual-property.gov.uk/...
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