Nik McFly
← Blog

Published · Updated

I Filed a U.S. Provisional Patent Application With Help From AI

What AI helped me research and document before filing, what Patent Pending actually means, and where an inventor still needs professional judgment.

#ai#patent#open-source#vibepatent

I filed a U.S. provisional patent application for a software invention without hiring a lawyer for that first filing.

The filing allowed me to use the words Patent Pending. It did not mean that the USPTO had approved the invention, confirmed that it was new, or agreed that it deserved a patent.

A provisional application is not examined on its merits. It can establish an early filing date, but it normally expires after 12 months unless the inventor files a corresponding nonprovisional application. The USPTO explains those limits directly.

AI was useful during preparation because it made it cheaper to search, challenge, and rewrite my own description. It did not turn the filing into an approved patent.

The first useful document was an invention brief

I began with a plain-language description of the invention:

  • the problem it tries to solve;
  • the parts of the system;
  • how information moves between those parts;
  • what happens in different versions of the system;
  • what appears to be different from existing approaches;
  • drawings needed to understand the mechanism.

This brief was more important than asking an AI to produce formal patent language immediately. If the mechanism is vague, a polished application only hides the missing detail.

I used AI to attack the idea

The main job of the AI workflow was adversarial review.

One pass searched for earlier patents and technical publications. Another compared their features with mine. Other passes looked for unclear language, unsupported steps, and obvious combinations of existing ideas.

The loop looked like this:

describe the mechanism
        ↓
search for earlier work
        ↓
compare features
        ↓
find weak or missing detail
        ↓
revise the description and drawings
        ↓
repeat

Over several days, the process produced hundreds of searches and many rejected drafts. That volume did not prove novelty. It helped me find weak assumptions before filing.

Search tools can miss prior art. They may use the wrong terms, misunderstand a claim, or fail to find a document in another language or database. A clean AI report should never be read as a legal clearance opinion.

The provisional application still needed a full description

Formal claims are not required for a U.S. provisional application. A useful written description still matters.

The USPTO warns that a later nonprovisional application receives the benefit of the earlier date only for subject matter supported by the provisional filing. Important technical detail cannot simply be invented later and treated as if it had been present from the start.

Before filing, I checked that the package included:

  • a written description detailed enough to follow;
  • drawings needed to understand the invention;
  • the correct inventors;
  • a title and cover sheet;
  • the filing fee and required identifying information.

I then uploaded the files through Patent Center and saved the filing receipt.

I automated the review process

After doing the first version manually, I built VibePatent, an open-source desktop tool that organizes the same loop.

It separates four jobs:

  • coordinating the review;
  • drafting and revising the description;
  • searching for earlier patents and publications;
  • challenging the proposed invention from several legal and technical angles.

The tool keeps the drafts and findings together so an inventor can see why a version changed. It can reduce research and formatting work. It cannot determine patentability, inventorship, freedom to operate, or the commercial value of an application.

If the tool calls external AI or search services, the information sent to those services may leave the computer. An inventor working with confidential material should inspect the settings and provider terms before uploading an unpublished invention.

Where I would involve a patent professional

I would not treat this workflow as a replacement for professional review when:

  • the invention is central to a valuable company;
  • ownership or inventorship is disputed;
  • public disclosure deadlines may matter;
  • protection is needed outside the United States;
  • the field is highly specialized;
  • a nonprovisional application and formal claims are being prepared;
  • an examiner has issued an office action.

The cost of a weak filing is not only the filing fee. It may be the loss of an early date for details that were never described properly.

The practical use of AI here is narrower and more credible: it can help an inventor make the explanation more complete, search more widely, and expose weak reasoning before paying for the next step.

I documented the complete workflow, filing sequence, and prompts in Vibe Patenting. Read the official USPTO guidance first, then use the method as preparation—not as a promise that a patent will be granted.