/ Are Provisional Patents Public? – Ultimate Guide

Are Provisional Patents Public? – Ultimate Guide

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Manish Jindal

February 14, 2024


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Are Provisional Patents Public? – Ultimate Guide

Are provisional patents public? When innovators and entrepreneurs embark on the journey of protecting their inventions, the concept of a provisional patent often emerges as a strategic first step.

This legal instrument is designed to provide a cost-effective and expedient way to establish an early filing date for an invention, which is crucial in the patent world where the principle of “first to file” predominates.

However, one common question that arises in this context is: Are provisional patents public?

In this blog, we delve into the nuanced world of provisional patents, examining their confidentiality, the circumstances under which they might become public, and the implications for inventors seeking to safeguard their innovations.

Our exploration aims to demystify the provisional process, shedding light on how these documents are treated by offices and what inventors can expect in terms of privacy and disclosure.

Whether you’re a seasoned inventor or new to the process, understanding the public or private nature of provisional patents is essential for effectively navigating the path to protecting your intellectual property.

What are Provisional Patents?

Provisional patents, more accurately referred to as provisional patent applications (PPAs), are a form of intellectual property protection offered by offices, such as the United States Patent and Trademark Office (USPTO).

They serve as a preliminary step for inventors on their path to securing a full patent, providing a unique blend of benefits that can be crucial in the competitive world of innovation.

Understanding the nuances of provisional patents is key for inventors looking to navigate the patent process effectively.

Key Characteristics

  • Filing Date: One of the primary benefits of a PPA is that it establishes an early filing date for the invention. This is critically important in copyright law, which operates on a “first to file” basis, meaning that the right to the patent for an invention goes to the first person to file an application, not necessarily the first to invent.
  • Duration: PPAs last for 12 months from the filing date. This one-year period allows inventors to use the term “patent pending” in connection with their invention, providing a strategic advantage in deterring potential infringers and in negotiations with investors or partners.
  • Cost and Formality: Filing a PPA is generally less expensive and involves fewer formal requirements than filing an application. For example, a PPA does not require formal claims, a declaration, or an information disclosure statement.

Further Reading: Copyright Infringement vs Patent Infringement

Purpose and Benefits

The provisional patent application process is designed to provide inventors with flexibility, cost savings, and strategic advantages:

  • Securing an Early Filing Date: This can be crucial in a competitive field, where even a day can make a difference in who holds the rights to an invention.
  • Cost Efficiency: Inventors can secure a filing date without the significant costs associated with preparing and filing a non-provisional application. This is particularly beneficial for solo inventors or small startups in the early stages of development.
  • Market Assessment and Development Time: The 12-month period gives inventors time to assess the market potential of their invention, seek investors or partners, and refine their invention or develop a more comprehensive strategy.
  • Confidentiality: As PPAs are not published, inventors can maintain confidentiality while still securing a filing date. This allows for discussions with potential partners or investors under the “patent pending” status without fully disclosing the invention to the public.

Conversion to Non-Provisional Patent

It’s important to note that a application itself does not result in a patent. Before the end of the 12-month period, the inventor must file a non-provisional  application that claims priority to the application to initiate the examination process for a patent.

Failing to do so means the application simply expires, and the early filing date is lost.

Are Provisional Patents Public?

Provisional patents occupy a unique place in the intellectual property landscape, offering inventors a preliminary step to protect their innovations while they refine their inventions or seek funding.

A common question that arises among inventors is whether provisional patents are public, and the answer provides insight into the strategic considerations of filing one.

Definition and Purpose

Firstly, it’s important to understand what a provisional patent application (PPA) is. A PPA is a legal document filed with a office that allows an inventor to claim a “provisional”  filing date for their invention but does not initiate the formal examination process required for the grant of a patent. It’s a placeholder that gives inventors up to 12 months to file a non-provisional application.

Confidentiality of Provisional Patents

Provisional applications are not published by patent offices and remain confidential.

This means that, unlike non-provisional  applications which are typically published 18 months after their earliest filing date, the contents of a provisional application are not made available to the public unless a corresponding non-provisional application is filed and subsequently published or issued as a patent.

Circumstances Under Which They Might Become Public

A provisional application may become publicly accessible in the following scenarios:

  1. Filing a Non-Provisional Application: If the inventor files a non-provisional application that claims priority to the provisional application, the contents of the provisional may become accessible through the publication or granting of the non-provisional application.
  2. Legal Proceedings: In certain legal situations, such as  disputes or litigation, the details of a provisional application might be disclosed as part of the proceedings.
  3. Specific Requests: Under specific circumstances, such as a request under the Freedom of Information Act in the United States, the contents of a provisional patent might be released, though this is relatively rare and typically requires a compelling reason.

Implications for Inventors

The confidentiality of provisional applications offers several strategic advantages for inventors:

  • Secrecy: Inventors can maintain secrecy around their invention while securing a filing date, which is critical in a “first to file” system.
  • Flexibility: The 12-month period provides a window to further develop the invention, seek funding, or assess the market potential without revealing the invention to the public.
  • Cost-Effectiveness: Inventors can defer the significant costs associated with filing a non-provisional application while preliminarily protecting their invention.

Are Provisional Patent Applications Published?

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Provisional applications are not published. When inventors file a provisional patent application with an office, such as the United States Patent and Trademark Office (USPTO), the application serves as a temporary measure to establish an early filing date and does not undergo the formal examination process that a non-provisional application does.

The primary purpose of a provisional application is to secure a filing date for the invention while giving the inventor up to 12 months to decide whether to proceed with a formal application.

Key Points About Confidentiality

  • Confidentiality: Provisional applications are kept confidential by the  office and are not accessible to the public. This confidentiality allows inventors to protect their invention while still having the flexibility to refine it, conduct market research, or seek funding.
  • Non-Publication: Since provisional applications are not published, they do not become part of the public record unless a corresponding non-provisional application is filed and references the provisional application. Only then might the content of the provisional application become indirectly accessible through the publication or granting of the non-provisional application.
  • Disclosure Protection: This non-publication ensures that inventors can discuss their invention with potential partners, investors, or others under the “patent pending” status without fear of losing their rights or having their invention disclosed to the public prematurely.

Transition to Non-Provisional Application

If the inventor decides to pursue formal protection, they must file a non-provisional  application that claims priority to the provisional application within 12 months of the provisional filing date.

This non-provisional application will undergo examination by the  office and, if published or granted, will then become part of the public record. The details of the provisional application could be revealed insofar as they are included in the published or granted non-provisional patent.

Strategic Implications

The confidentiality of provisional applications offers several strategic advantages:

  • Market Strategy: Inventors can safely explore the commercial viability of their invention without compromising its confidentiality.
  • Development and Refinement: The inventor has time to refine the invention or adapt it based on feedback or further research without the pressure of immediate public disclosure.
  • Investment and Partnership Opportunities: Inventors can engage in discussions with potential investors or partners under the protection of “patent pending” status, providing a level of security and exclusivity to the invention.

Further Reading: Are Company Names Trademarked


In conclusion, the question of whether provisional patents are public touches on a crucial aspect of the intellectual property protection process for inventors and entrepreneurs alike.

As we’ve explored, provisional applications, by design, are not made public.

This confidentiality is a strategic feature of the provisional system, allowing inventors to secure an early filing date for their invention while maintaining the privacy of their work.

This period of confidentiality, lasting up to 12 months, provides inventors with the flexibility to refine their invention, explore market possibilities, and seek potential investors without the risk of losing their competitive edge or revealing sensitive information prematurely.

The non-publication of provisional applications underscores the system’s balance between encouraging innovation and providing inventors with a mechanism to protect their inventions before fully committing to the more rigorous and public process of obtaining a non-provisional patent.

It highlights the system’s recognition of the various stages of invention development and the different needs of inventors at each stage.

Are you scared of copyright and patent issues for your brand. Book a demo with our experts to discuss the effective solutions.

Frequently Asked Questions

FAQ 1: Are provisional patent applications made public?

Answer: No, provisional applications are not made public. They are kept confidential by the patent office and do not enter the public domain unless a non-provisional application that claims priority from the provisional application is filed and subsequently published or granted.

FAQ 2: Can someone find out if I have filed a provisional  application?

Answer: Generally, no one can find out if you have filed a provisional application since these applications are not published or disclosed by the office. The contents and the fact of filing remain confidential unless you decide to disclose this information yourself.

FAQ 3: What happens to my provisional patent application after I file it?

Answer: After filing, your provisional application secures a filing date for your invention and remains confidential within the office for up to 12 months. You must file a corresponding non-provisional application within this 12-month period to benefit from the earlier filing date. The provisional application itself does not lead to a patent and will not be examined for patentability.

FAQ 4: Will my invention be protected internationally with a provisional patent application?

Answer: Filing a provisional application in one country, such as the United States, does not provide international protection for your invention. However, it can serve as the basis for priority claims in subsequent non-provisional applications filed in other countries within 12 months, according to the Paris Convention for the Protection of Industrial Property.

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