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Provisional Patent Applications: A Smart First Move or a Costly Shortcut?

A provisional patent application is a popular first step for founders and inventors because it can lock in an early U.S. filing date while you keep building, testing and looking for funding. It is not examined, it never becomes a patent on its own, and it expires after 12 months, so a nonprovisional application has to follow within that window if you want to keep the earlier date. The catch is that a provisional only supports what it actually describes. A rough sketch or a few paragraphs may feel like progress, but if your later claims depend on details you left out, you may not get the benefit of that early date. The strongest provisionals read like a thorough technical description, with the problem, the solution, the main variations and drawings or flowcharts that show how the parts work together.

Deciding whether a provisional makes sense, and how detailed to make it, is easier with someone who understands your technology. Sherinian Law’s Chicago-area patent services include provisional applications, and the firm lists a 45-minute consultation for $250 where you can discuss filing options before committing to more work. Since applications go to the federal USPTO, you can meet by video or phone, or in person at the firm’s Naperville office. To prepare, write down how your invention works, how far along it is, any similar products you know of and the dates of any public disclosures. In the United States you generally have one year from your own disclosure to file, but many other countries offer no grace period, so avoid sharing details widely until you’ve talked to an attorney. This post is general information, not legal advice, so check your own situation with a registered patent attorney.