I am new to the patenting world, and I am a little confused about how to go about drafting a provisional patent application. How in depth do I need to be about my idea? Do I need supplemental drawings, and if so, how detailed, and how many?

Overall, I just need an idea of how to start. What are some things to get me on the right path?

There was mention of a possible duplicate on this question, but the other question had to do with web or app development. Mine is purely mechanical.

  • Possible duplicate of How detailed should a provisional patent application be? (Software)
    – Maca
    Commented Jul 25, 2016 at 8:33
  • The subject matter makes no difference. The law for software inventions is the same as the law for mechanical inventions (at least, for the purposes of the requirements of a provisional patent application). That is why I believe this is a duplicate. However, if you think I'm glossing over something important, please do highlight what that is, since that could lead to quite a good question (and more helpful answers for you).
    – Maca
    Commented Jul 25, 2016 at 23:16

1 Answer 1


From what I have read below a provisional patent should have a complete description of the invention. If it does not then it can be used against you to show that you did not have an invention.




Not intended as legal advice. Please upvote or check as answered if this satisfies you.

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