The US Patent and Trademark Office has a website with a great deal of information on it. It is www.uspto.gov Your DH can also call their number and ask for the Inventors Assistance Center and they have people there that can answer a great deal of questions. If he doesn't get a satisfactory answer the first time, he can call back until he gets someone who is willing to talk. Some of the people are anxious to send you some forms and brochures and that's it. Certainly these things are useful but there are those who are willing to answer direct questions. I was fortunate enough to get to chat with a retired examiner last week and he was TREMENDOUS in answering my questions. All 12 billion of them. ha ha
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