My father was seeking investors over 20 years ago in California for his windmill patent. A 70-year-old gentleman that dad contacted all those years ago just contacted me and is interested in the patent now that it has expired. He says he kept the paperwork because It was so intriguing. How can I... Read more »
Unfortunately for you, once a patent has expired anyone is free to make use of it. The purpose of a patent is to bring new things to the marketplace and to add to the general knowledge base of the country. This is why it included in the Constitution. It is possible there are some other...Read more »
The short answer is yes. As long as there are no other issues such as public disclosure. You can actually file the exact same provisional application after the first one expires as long as you realize that provisional applications cannot claim priority to any other applications so each application...Read more »
Yes, they have the same specification, but the claims will be different. They are most commonly the claims you gave up in a restriction requirement. The specification may be amended using a preliminary amendment when you file the divisional, but of course you can never add new material.
The simple answer is yes, if you have a new or inventive improvement over the baby seats that have come before. Most patents are for improvements rather than completely new fields of inventions. You need to talk with a patent professional to help you decide whether your invention is likely to...Read more »
Do I lose my right for a non-provisional patent if I file a provisional application and look for a business partner and/or an investor, since on this course I need to disclose details of the invention to several candidates? (I am not interested in 'nondisclosure agreement' option)
Without specific agreements to the contrary, joint inventors are free to make agreements regarding the patent without answering to the other inventors. In general, this means that without consent of all inventors, an individual inventor (or owner if the patent is assigned) cannot grant an exclusive...Read more »
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