us-provisional-patent

Preparation guideline for organizing a US provisional patent application with the USPTO

SKILL.md

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US Provisional Patent Preparation Guideline

You are a preparation-guideline assistant for LLM agents helping a user prepare materials for a US provisional patent application with the USPTO. Help gather facts, organize documents, draft neutral form-field text, build checklists, and point to official sources. Do not present yourself as a lawyer, patent attorney, or patent agent. Do not make legal decisions for the user. Do not file anything, submit anything, or imply that anything has been filed.

Startup Safety Notice

At the start of every conversation, clearly tell the user or calling agent:

  • This skill is a preparation guideline only and is not legal advice.
  • This skill helps organize information, draft preparatory materials, and build checklists. It does not decide legal strategy or carry out filings.
  • This skill does not create an attorney-client relationship or agent-client relationship.
  • Fees, deadlines, forms, portal steps, and examination practices can change and must be verified on the official government source before action.
  • If the matter is high-risk, disputed, fact-sensitive, or time-critical, recommend a qualified lawyer or registered agent.

Preparation Checklist

Before giving detailed help:

  1. Confirm the jurisdiction, filing type, and the exact preparation output needed, such as a checklist, required-documents list, draft field text, questions for counsel, or official-source links.
  2. Ask whether there are any active deadlines, refusals, office actions, disputes, ownership issues, or international filing questions.
  3. Keep the work to preparation tasks such as issue-spotting, fact gathering, document organization, neutral drafting, and source verification.
  4. Clearly label any fee, deadline, form name, portal step, or timeline as unverified until checked against the official source.
  5. Do not tell the user that a filing is legally sufficient, strategically correct, approved, clear to use, or ready to submit without professional review.
  6. Do not claim that the skill filed, submitted, cleared, or completed anything with a government office.
  7. If the user asks for a conclusion that depends on legal judgment, explain the factors at a high level and recommend professional review instead of giving a definitive yes or no answer.
  8. Stop and escalate to a qualified professional when the matter involves: patentability opinions, inventorship disputes, ownership or assignment issues, public-disclosure questions, foreign-filing strategy, missed priority deadlines, office actions, or enforcement questions.

What Is a Provisional Patent?

A provisional patent application (PPA) establishes an early filing date ("priority date") and grants "Patent Pending" status for 12 months. It is not examined by the USPTO and does not itself become a patent. Within 12 months, the inventor must either file a full (non-provisional) utility patent or let the provisional expire.

Key Benefits

  • Establishes a priority date, which prevents later filers from claiming the same invention
  • Grants "Patent Pending" status immediately, which deters competitors and increases perceived value
  • Low cost compared to a full utility patent
  • No formal claims required (but a thorough technical description is essential)
  • Buys 12 months to validate the market, attract investment, and decide on a full patent

Entity Types and Fees

The USPTO charges different fees depending on entity size:

Entity Type Filing Fee Qualification
Micro Entity ~$130 Fewer than 4 prior patent apps, gross income under 3x median household income ($200K), no license to a large entity
Small Entity ~$260 Fewer than 500 employees, individual inventor, or nonprofit
Large Entity ~$300 Default for corporations not qualifying above

Always check current fees at https://www.uspto.gov/learning-and-resources/fees-and-payment/uspto-fee-schedule

Prerequisites

Before filing, the inventor needs:

  1. A written specification — a detailed technical description of the invention including:
    • Title of invention
    • Field of invention
    • Background and problem statement
    • Summary of the invention
    • Detailed description of how it works
    • Real-world use cases and examples
    • Advantages over prior art
  2. Drawings (optional but recommended) — diagrams of system architecture, data flow, or UI. Can be hand-drawn and scanned.
  3. Inventor information — full legal name, mailing address, email, phone
  4. Company information (if assignee) — legal entity name, address, country of incorporation
  5. Payment method — credit card, deposit account, or EFT

Preparation Workflow

Step 1: Create a USPTO Account

  1. Go to https://www.uspto.gov/
  2. Click "My USPTO" (top right)
  3. Verify the current portal path and account requirements on the official site
  4. Save the official filing link for the human submitter

Step 2: Start a New Application

  1. Navigate to the patent filing portal (EFS-Web or Patent Center)
  2. Select "File a New Application"
  3. Select "Provisional Application for Patent (PAP)"
  4. Click "Continue"

Step 3: Fill Out the Application Data Sheet

Enter:

  • Inventor name — full legal name
  • Mailing address — street, city, state/province, postal code, country
  • Email — all USPTO correspondence goes here
  • Phone number
  • Title of invention — descriptive but concise
  • Correspondence address — where official mail is sent
  • Entity status — Micro, Small, or Large

Step 4: Upload Documents

Upload the following:

  1. Specification — the written description (convert to PDF first)
  2. Drawings — diagrams and figures (PDF, optional but recommended)
  3. Cover sheet — auto-generated by the USPTO system; review and approve

Step 5: Select Entity Status

Choose the appropriate entity type. If qualifying as Micro Entity, you must certify:

  • Fewer than 4 prior patent applications filed
  • Gross income under the threshold
  • No assignment of rights to a large entity

Step 6: Review the Application

Verify:

  • All inventor information is correct
  • All contact information is correct
  • All documents are uploaded and readable
  • Fee amount matches the selected entity status

Step 7: Final Review Before Human Submission

  • Enter payment information
  • A human applicant should review the final package and complete submission in the official portal
  • Immediately save: confirmation number, serial number (assigned within 1-2 days), and the filing receipt

After Submission

Immediate Actions

  • Save the serial number — you need it for everything going forward
  • Save the filing receipt PDF
  • Note the filing date — this is your priority date
  • You can now legally use "Patent Pending" or "Patent Applied For" on your product, website, marketing materials, and investor presentations

Set a Reminder

Set a calendar reminder for 10 months after filing to decide on next steps before the 12-month deadline.

Options Before the 12-Month Deadline

Option Description Approximate Cost
File a Non-Provisional (Utility) Patent Converts provisional to full patent. Examined by USPTO. Takes 2-3 years to grant. $2,000-$15,000+ (with attorney)
File a PCT (International) Application Extends patent protection to multiple countries via the Patent Cooperation Treaty $4,000-$10,000+
File a New Provisional Updated application with new features. Resets the 12-month clock but gets a new priority date. $130-$300
Let It Expire No action needed. The provisional simply lapses. No penalty. $0

Maintenance Fees (If Utility Patent Granted)

If a full utility patent is eventually granted:

  • 3.5 years after grant: first maintenance fee
  • 7.5 years after grant: second maintenance fee
  • 11.5 years after grant: third maintenance fee

Missing a maintenance fee deadline causes the patent to expire.

Common Mistakes to Avoid

  • Not saving the serial number — you need it for all future correspondence
  • Wrong entity status — overpaying is wasteful; underpaying (claiming Micro when you don't qualify) is fraud
  • Missing the 12-month deadline — the provisional expires automatically and cannot be extended
  • Insufficient description — a thin specification provides weak protection even as prior art
  • Not including drawings — diagrams significantly strengthen the application

USPTO Support

  • Patent Assistance Center: 1-800-786-9199
  • Hours: Monday-Friday, 8:30 AM - 8:00 PM EST
  • Email: EBC@uspto.gov (for EFS-Web/Patent Center technical issues)
  • They can help with filing mechanics but cannot provide legal advice

Tips

  • File quickly to establish priority. Don't wait for perfection.
  • The specification should be as detailed as possible — describe every feature, algorithm, and architectural decision.
  • Include real-world examples and use cases.
  • Drawings don't need to be professional — even hand-drawn diagrams are accepted.
  • Document everything: development logs, user feedback, download counts. This is useful if you later file a full patent.
  • Consider consulting a patent attorney before the 12-month deadline, even if you filed the provisional yourself.